IChat won't initiate any form of chat

I have several Macs on a network (some with a wired connection, some with airport), and we often use iChat over Bonjour to communicate (all are running 10.5.6 and iChat 4.0.7).
One of our iMacs won't initiate chats. If we try to send a message to one of the other computers, it appears to start the chat session, but the receiving computer never gets a notification. It doesn't matter if it is a text chat, audio chat or video chat. This iMac receives chats that are initiated from another machine with no problem.
This one iMac ONLY uses Bonjour (there are no other iChat accounts set up on it) and, as I stated above, seems to be the only machine with this problem. I have tried deleting the appropriate plist files from the preferences folder, and that hasn't made any difference. I'm at a loss for other solutions.
Any suggestions?

On the errant computer make sure the Firewall setting (System Preferences > Security) is not set to Essentials.
This does not work for iChat as it is not an essential App.
Also make sure that the Mac User Logged in on that computer is not someone also logged in somewhere else.
Bonjour for iChat takes the Name found in the Address Book at the My Card (Head and Shoulders icon).
11:12 PM Friday; February 27, 2009

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IChat won't add any accounts

I can't log on to iChat! When I run my iChat and go to preferences > accounts, it won't let me click the + button to add my AIM account. Everytime I click the + button, it doesn't do anything. What can I do to fix this problem?

Hi,
The most likely cause is that you are using a Mac User Account that is subject to Parental Controls.
(Turning Off Parental Controls, adding Accounts and Buddies then listing those Buddies in Parental Controls as it is turned On again is the way to go)
7:41 PM Monday; July 11, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.8)
 Mac OS X (10.6.7),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

Cannot Sign Into Ichat -won't recognize any password

Hi folks - A couple of days ago I woke my Mac (Imac 27" 2.8 ghz Intel Core i7 running OSX 10.7.5) and had a message from Ichat (ver. 6.0.2) (which I always have open) saying AOL Instant Messenger password 'Ichat can't log in to ------username----- because yoir login ID or password is incorrect. I've tried every possible password it could be, but none have worked.
'Remember this password in my keychain' was checked, as well.
I went into preferences and changed the password there, but still the same message.
I downloaded an update to Ichat, but it wouldn't let me install it on my system saying it couldn't, even though the requirements for the operating system were several updates ago.
There's no option for 'forget your password?' to have it emailed to you or anything like that...
I've since downloaded and successfully run the latest version of AOL messenger, which is different than the Ichat I was using (which strangely enough, says AIM and AOL instan Messenger, even though it says Ichat in my applications folder and on the icon when I drag it to the dock).
However, the AOL Instant Messenger I just downloaded is not as good as the Ichat I was using..my video is vertical and squashed and lower quality and the sound is poor as well (on my end and the other users).
Any help is much appreciated!
Thank you.

Hi,
iChat 6 can use AIM names or Apple IDs issued by Apple (@mac.com, @me.com and @icloud.com endings)
AIM have a password Character limit which you can "bump" in to if you are using an Apple ID.
The limit is 16 characters.
If you changed your password at Apple (in iTunes or iCloud or App Store for instance) and it is over 16 characters you will need to make it smaller.
The AIM for Mac App should not get labelled 'iChat" anywhere.
If this is excepting your Name and Password it seems you are using and AIM registered name or the @mac.com type of Apple ID.
Do this:-
Have the Finder as the front App (listed in the Menu bar)
Us the Go Menu > Go to Folder and type ~/Library/Preferences in the dialogue box that appears.
In the Preferences folder find com.apple.ichat.AIM.plist and drag it to the Trash
Restart iChat.
This .plist hold the "state" of the login to AIM.
AS the computer was Sleeping the Network connection were cut.
This can mean the .plist has info saying it is logged in where as the computer has closed the connection to AIM and the AIM server will think you are logged out.
Deleting the .plist and restarting the app will recreate the .plist from defaults in the app and refreshes the AIM Login.
9:47 PM Tuesday; March 5, 2013
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 iMac 2.5Ghz 5i 2011 (Mountain Lion 10.8.2)
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb (Snow Leopard 10.6.8)
 Mac OS X (10.6.8),
 Couple of iPhones and an iPad
"Limit the Logs to the Bits above Binary Images."  No, Seriously

How do I fix my ichat? My buddy list appears, but whenever I try to click on a buddy to chat, IChat won't let me. Nothing appears. When I try to click on "File" - "New Chat" Also nothing appears. What's wrong?

My buddy list appears, but whenever I try to click on a buddy to chat, IChat won't let me. Nothing appears. It won't let me chat regularly via text, or by video/audio chat. Even when I click on File -> New Chat, still nothing shows up! But, when I look at how many chats I have open, it says I have "X" amount of chats open! But nothing is there.........
If somebody tries to video chat me from my buddy list, I can see the request.... and then the video chat will work. But I cannot request anybody and if they send me a regular text ichat, ichat won't deliver it to me.
Somebody please help me I've tried so many things and nothing is working!!!!! :/

Hi,
This sounds like it is about Window positions.
iChat has Default places for Incoming Invites.
Video is always top Center of your Screen
Audio and Text chats are Upper right with the Audio slightly lower than Text Chats.
Secondary invites are sort of Stacked like when you open multiple files from the same App.
Your outgoing Windows are "Remembered" as to where the last one was when you used it.
This can be an issue if you use your Mac with a second display and turn Off Mirroring.
You windows can get "left" on the other screen.
Go to System Preferences > Displays and turn On Mirroring and the windows should come back to one Screen/display.
If this does not help go to your Home Folder/Library/Preferences and delete (Drag to Trash) com.apple.ichat.plist and restart iChat.
Unfortunately you will need to reset any iChat Preferences you have changed from defaults.
10:42 PM Tuesday; April 26, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.7)
, Mac OS X (10.6.7),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

IChat WON'T WORK using audio or video chatting [PLEASE HELP]

Bought a Mac a couple months ago and I'm pretty (yeah, that's VERY) happy about it. The thing is when it comes down to my iChat, I wanted so much to have video conference with my family in Brazil while I'm studying in Spain -- but I Just can't! =(
Let's put it that way: iChat won't recognize my (Googlechat) friends and their webcams; and as long as I'm connected, I have never seen any sort of "audio label" beside their names.
So can any Mac-pro please help me out explaining what the matter is?
Can't I talk to my friends just because the're using PCs -- or there's nothing to do with it?
I've tried everything, from Preferences to Praying; and it won't work. Just wanna let you guys know that all the people that I'm trying to talk to have webcams and microphones plugged-in.
PS - Plus, I got this huge agenda full of contacts (around 2,000) that appear to be on my iChat list, but they're somehow never online. Is that because I have to send them an invitation to join my Googlechat? =/
I'm totally lost here.
I'd appreciate if you people could answer me quick - as you always do here =). Tomorrow I'll have this unique chance to talk to my grandmother (for she's living in some sort of farm far away from civilized world) and I'd REALLY want to chat via Video Conference with my family tomorrow night.
Sorry for my bad english and thanks in advance.
Sylvio Quadros (Brazil)

Hi,
You can Add an Google Mail ID (@gmail.com or @googlemail.com) as your ID/screen Name in iChat.
From iChat to iChat this will also do Video or Audio Chats as well as Text chats.
From iChat to anyone using the Google Web Mail page you can text chat as the Video and Audio codecs are different.
The same is true of the PC app for GoogleTalk.
To be able to login in to Google Talk using iChat your have to Enter you ID as it is written on any Google Page when you are logged in (Ends with either @gmail.com or @google.com), Mail seems to cope with either but iChat needs it to match.
You also have to Enable the Talk option on your Google Account info.
To See the Green Video and audio icons go to the View Menu of ichat and Select Show Audio and Show Video.
If you are trying to Chat with a PC I would use one of these
Alternatives to iChat but Video chatting In a Web Browser
MeBeam. An option to use a Web site that create Private room for Video Chatting. Uses Flash to access your Camera and Mic.
iVideoChat Similar setup but a somewhat corporate type look to the site. Has Public rooms as well. Again uses Flash.
Googlemail/GoogeTalk now do a Version in a Web Browser
Tokbox A Site that can link your existing Buddy Lists that Uses Flash to Video chat in a Browser.
From http://www.ralphjohns.co.uk/page5.html#_other
Tokbox allows you to link to existing Buddy Lists.
7:42 PM Thursday; March 18, 2010
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"

Ever since i downloaded skype to chat with a friend with a pc my ichat won't open

ever since I downloaded skype to video chat with a friend with a pc my ichat won't open - suggestions?

Hi,
So the DOCK looks like this ? (Or at least the Lion version of that)
The Menu Bar Icon looks like this ?
Ok if the App is open and you click once on the icon (Speech Bubble with Camera) in the DOCK all that will happen is that any iChat Window will come to the front.
This of course does need there to be an Open iChat Window.
Can you access the iChat Menu itself and Preferences from there ?
In the accounts section does it list any Accounts apart from the Bonjour one ?
In the Account info tab (If there is more tan one tab) does it say Use this Account and is the check box ticked ?
If before quitting iChat you close all the Windows including the Buddy List and then Quit iChat it will remember the Window state when you start it up again.
In fact the Window menu will tell you which Accounts are Logged in and these (if more than one) should match the "Use this Account" ones in the iChat Preferences.
Using the red button only "Hides" the Buddy List it does not log it out or Quit the app.
Does the Window menu list any Account like this pic does ?
(Example from iChat 4 with the Chax Add on (more Menu items) icons)
Does the Menu Bar icon (Second pic above) show you any Buddies in the drop down you see ?
This is my drop down menu for iChat 4 when iChat is Off
As you can see it says it is Off Line.
Selecting "Available" does nor launch the app for me either as it does not know which of the 6 Screen Names I usually Login is the one I want to be "Available"
I can understand the Menu (Drop Down) may have changed in iChat 6.
Nothing you have added in the last two posts indicates to me that Skype is in any way responsible (Not that I would normally wnaty to defend it)
Neither does it point to anything but a normal functions of iChat if you close it down in a certain way.
Also check the System Preferences > General Pane in Lion (it is called Appearance in earlier versions)
This has a new setting that can set for all App the ability to remember which windows were open the next time the app is launched. (i.e if a graphics app had a pallet open this would be remembered. However if all windows are closed but the app is still running when Quit this "windowless State" would be the one remembered)
(What is does do for iChat is return the "Remember Open Chats on Quit" from iChat 4 that got lost in iChat 5)
7:38 PM Wednesday; August 17, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.8)
 Mac OS X (10.6.8),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

I'm trying to place an order for 3 iPhoto Albums, but the system won't take the billing address. I'm in Costa Rica and will send the albums to an address in Miami. Can't find any support live chat for billing issues.

I'm trying to place an order for 3 iPhoto Albums, but the system won't take the billing address. I'm in Costa Rica and will send the albums to an address in Miami. Can't find any support live chat for billing issues.

You need to use a credit card with a billing address in the same country as the delivery address. Since there's no Apple Print Store for Costa Rica I assume you're using the United States print store. Therefore you'll need a credit card with a billing address in the US.
OT

IChat won't recognize my MacBook's internal mic and allow me to audio chat

I have a MacBook which has built-in iSight and a built-in microphone. My iChat won't let me audio chat with my friends who are using AIM or Google Talk however the internal microphone is working. It works on Skype. It won't work on iChat at all however. It does not let me start audio chats or accept them. How can I get it to do that?
Thanks!

Hi kathleenmary:
Audio only chats only work Mac to Mac or Mac to PC's using Trillian.
Sorry!

IChat not allowing initiate of multi party video

iChat works for me in almost every case...even iChat to AIM...and even when the remote location is behind 2 NAT routers. It has worked between Tiger and Leopard, between Tiger and PC/AIMver5.9, and other scenarios. However, there is now a problem. I can video chat with user B (Tiger, iMacG5). I can video chat with user C (Leopard, iMac). I can make successful video calls to appleu3test01. I can even initiate multi party video chat with user C and appleu3test01. Typically, connections to user B come up at 1mbps (1000 kbps). I CANNOT initiate a multi party video chat with user B and appleu3test01. The problem is if I call user B first, my iChat will NOT let me add appleu3test01. However, if user B initiates the call, it works....but the video quality is not very good. One note, the video chats with user B typically come up a 400kbps. I have Quicktime set to "1.5mbps T1/LAN". I 've tried iChat set to 500kbps, 1mbps, and none. No other problems (so far) using video chat as initiator or receiver.

P.S.
In addition to my reply about the user B video settings and stacked icons...recall in the original post I noted that user B was able to initiate the multiparty video call just fine, and it worked. This would require him to have the "stacked camera icons", I think. In any case, he did show stacked icons when I initiated the video call, which connected to him just fine as the first participant, but then iChat would balk at my attempt to invite the next participant.
One thing that may be useful is that the message whe I tried to invite the last participant was that the participant was already in a chat...however the last participant's icon was showing as "available" for multiparty conference (ie; stacked icons). Maybe this indication was simply wrong and the last participant may have already been in a chat, especially since that participant was the "appleu3test01" user, which I imagine is very busy
If this is the case, it's just frustrating that iChat would show the user as fully available for multiparty video chat.

IChat won't do video conf outside the house. . .Skype works . .Help!

When I try to do a video conference between my home Imac and my Macbook and am in my house it works great. However, I don't really need it for this. . .when on a business trip (or even a neighbors house) I cannot connect. I usually get the #8 error about communications error. Both systems can connect to the test IDs and conference fine and I can do a conference in my house over either wired or wireless.
I tried Skype and it works anywhere but the quality is not as good as IChat (audio - hear weird bells).
Anway, I have look over lots of docs and not sure what to do. here is my setup.
Verizon FIOS. .D-Link Router DI-604 with 4 ports (one for each mac, one for printer, and one for wireless router).
This is frustrating. . don't understand why Skype works every time but IChat won't as soon as one of my machines is outside the home network but the test calls all work.
Help!

Hi Adam,
Umm
Questions I would ask if it were your end at home.
How have you got the ports opened in the Modem for iChat ?
I can not see in these pics that it has UPnP which would allow multiple computers
You will need to do Triggering to allow multiple computers to use the same ports. Use the Instructions on that link for method.
They show look a bit like this Linksys but is seems you can add several single ports together rather than the Linksys one at a time and group method.
<hr>
If you have a setting similar to the above that works at home but not away from it I would go to iChat Preferences > Accounts > Sever Settings tab and change the port form 5190 to 443 (this not only help with login in some cases but also with A/V chats).
If this does not help then tell us what settings you have on your Mac
Firewall On/Off ?
Ports set in Firewall ?
Protocols used ?
2:20 PM Saturday; January 27, 2007

IChat won't send messages

for the last few days I have opened iChat and attempted to initiate a chat. I can type in text, but when I hit ENTER, nothing is sent. The text does disappear from the text box as if it was sent, but nothing appears in the chat window. In fact, the little speech bubble that appears when you type just stays up next to my screen name. Help!

Hi Jason,
iChat 4 will open any old chat that was open when you Quit iChat.
It will also remember the position of that window as the where it was in the Screen or Dock or Hidden.
If you go to iChat menu > Preferences > Messages you will find the option to Remember Open Chats across Launch.
If you deselect this you will not get old chats from the previous time iChat was Open.
Deleting the .plist that saves the details (com.apple.ichat.plist) will also remove the last one that was held.
Just closing the window using the Red Button or Saying No to Rejoining chants does not dismiss it from the held status until another chats is still open (If if you left or the Buddy left but the window is open) at Quit.
Deleting the one above and the com.apple.ichat.AIM.plist will cause you get the Start Up Screens Again but your Screen Name should be pre-filled as it is called back from the KeyChain.
8:28 PM Saturday; April 11, 2009

Is there any form of system cleanup for mac air

is there any form of system cleanup for mac air

How to maintain a Mac
1. Make redundant backups, keeping at least one off site at all times. One backup is not enough. Don’t back up your backups; make them independent of each other. Don’t rely completely on any single backup method, such as Time Machine. If you get an indication that a backup has failed, don't ignore it.
2. Keep your software up to date. In the Software Update preference pane, you can configure automatic notifications of updates to OS X and other Mac App Store products. Some third-party applications from other sources have a similar feature, if you don’t mind letting them phone home. Otherwise you have to check yourself on a regular basis. This is especially important for complex software that modifies the operating system, such as device drivers. Before installing any Apple update, you must check that all such modifications that you use are compatible.
3. Don't install crapware, such as “themes,” "haxies," “add-ons,” “toolbars,” “enhancers," “optimizers,” “accelerators,” "boosters," “extenders,” “cleaners,” "doctors," "tune-ups," “defragmenters,” “firewalls,” "barriers," “guardians,” “defenders,” “protectors,” most “plugins,” commercial "virus scanners,” "disk tools," or "utilities." With very few exceptions, this stuff is useless, or worse than useless. Above all, avoid any software that purports to change the look and feel of the user interface.
The more actively promoted the product, the more likely it is to be garbage. The most extreme example is the “MacKeeper” scam.
As a rule, the only software you should install is that which directly enables you to do the things you use a computer for — such as creating, communicating, and playing — and does not modify the way other software works. Use your computer; don't fuss with it.
Safari extensions, and perhaps the equivalent for other web browsers, are a partial exception to the above rule. Most are safe, and they're easy to get rid of if they don't work. Some may cause the browser to crash or otherwise malfunction. Some are malicious. Use with caution, and install only well-known extensions from relatively trustworthy sources, such as the Safari Extensions Gallery.
Never install any third-party software unless you know how to uninstall it. Otherwise you may create problems that are very hard to solve.
4. Beware of trojans. A trojan is malicious software (“malware”) that the user is duped into installing voluntarily. Such attacks were rare on the Mac platform until sometime in 2011, but are now increasingly common, and increasingly dangerous.
There is some built-in protection against downloading malware, but you can’t rely on it — the attackers are always at least one day ahead of the defense. You can’t rely on third-party protection either. What you can rely on is common-sense awareness — not paranoia, which only makes you more vulnerable.
Never install software from an untrustworthy or unknown source. If in doubt, do some research. Any website that prompts you to install a “codec” or “plugin” that comes from the same site, or an unknown site, is untrustworthy. Software with a corporate brand, such as Adobe Flash Player, must be acquired directly from the developer. No intermediary is acceptable, and don’t trust links unless you know how to parse them. Any file that is automatically downloaded from a web page without your having requested it should go straight into the Trash. A website that claims you have a “virus,” or that anything else is wrong with your computer, is rogue.
In OS X 10.7.5 or later, downloaded applications and Installer packages that have not been digitally signed by a developer registered with Apple are blocked from loading by default. The block can be overridden, but think carefully before you do so.
Because of recurring security issues in Java, it’s best to disable it in your web browsers, if it’s installed. Few websites have Java content nowadays, so you won’t be missing much. This action is mandatory if you’re running any version of OS X older than 10.6.8 with the latest Java update. Note: Java has nothing to do with JavaScript, despite the similar names. Don't install Java unless you're sure you need it. Most people don't.
5. Don't fill up your boot volume. A common mistake is adding more and more large files to your home folder until you start to get warnings that you're out of space, which may be followed in short order by a boot failure. This is more prone to happen on the newer Macs that come with an internal SSD instead of the traditional hard drive. The drive can be very nearly full before you become aware of the problem. While it's not true that you should or must keep any particular percentage of space free, you should monitor your storage consumption and make sure you're not in immediate danger of using it up. According to Apple documentation, you need at least 9 GB of free space on the startup volume for normal operation.
If storage space is running low, use a tool such as the free application OmniDiskSweeper to explore your volume and find out what's taking up the most space. Move rarely-used large files to secondary storage.
6. Relax, don’t do it. Besides the above, no routine maintenance is necessary or beneficial for the vast majority of users; specifically not “cleaning caches,” “zapping the PRAM,” "resetting the SMC," “rebuilding the directory,” "defragmenting the drive," “running periodic scripts,” “dumping logs,” "deleting temp files," “scanning for viruses,” "purging memory," "checking for bad blocks," "testing the hardware," or “repairing permissions.” Such measures are either completely pointless or are useful only for solving problems, not for prevention.
The very height of futility is running an expensive third-party application called “Disk Warrior” when nothing is wrong, or even when something is wrong and you have backups, which you must have. Disk Warrior is a data-salvage tool, not a maintenance tool, and you will never need it if your backups are adequate. Don’t waste money on it or anything like it.

After clearing cash on mac applications won't lunch any more..I tried to delete apps like VLC player with app cleaner and again download and instal new but it's the same..goes for all apps that are not originally part of Yosemite. Please advise me?!

After clearing cash on my mac ( Go to folder: ~/Library/Caches and clear all, than to Library/Cashes and clear all again) applications won't lunch any more..I tried to delete apps like VLC player, firefox.. with app cleaner and again download and install the new one but it's the same..goes for all apps that are not originally part of Yosemite. I have done this cash clean up very often on Maverick without any problems. This time I done it again because I could not open my web site, the server has blocked me and I was trying everything including deleting cash from mac. Please advise me what to do..?!? Thanks in advance.

It sounds like you may have multiple problems, but none of them are likely to be caused by malware.
First, the internet-related issues may be related to adware or a network compromise. I tend to lean more towards the latter, based on your description of the problem. See:
http://www.adwaremedic.com/kb/baddns.php
http://www.adwaremedic.com/kb/hackedrouter.php
If investigation shows that this is not a network-specific issue, then it's probably adware. See my Adware Removal Guide for help finding and removing it. Note that you mention AdBlock as if it should have prevented this, but it's important to understand that ad blockers do not protect you against adware in any way. Neither would any kind of anti-virus software, which often doesn't detect adware.
As for the other issues, it sounds like you've got some serious corruption. I would be inclined to say it sounds like a failing drive, except it sounds like you just got it replaced. How did you get all your files back after the new drive was installed?
(Fair disclosure: I may receive compensation from links to my sites, TheSafeMac.com and AdwareMedic.com, in the form of buttons allowing for donations. Donations are not required to use my site or software.)

IChat won't start after 10.4.3 update!!!!!

After I installed 10.4.3 iChat won't start. It would look like it was going to Launch and would quit. I looked at all the postings and found a couple of ideas, but nothing that worked. The only way I can get on is by disabling my network connection and then starting iChat and then re enabling my network connection. Any other ideas. Please let me know.
G4 Laptop Mac OS X (10.4.3)

Ralph, no offense, I know you're trying to help this guy, but all you've done to offer him advice is to tell him what he already said he's doing and was trying to not have to perform every single time he wants to use iChat.
In his ORIGINAL post, he said exactly this:
The only way I can get on is by disabling my network connection and then starting iChat and then re enabling my network connection.
Please try and really read what someone asking for help is saying, then offer advice if you've got it. All it looks like here is that you weren't really paying attention to his problem in the first place.
As for me, I'm having much the same problem as a lot of people getting iChat to work, and I clicked on this seeing it had a reply thinking I was going to finally find an answer. It's a little frustrating to see people reply with exactly the same information they've already been given just being repeated back to them.
2.7Ghz Power Mac G5

Ichat won't open after leopard installation

I installed Leopard on 3 imacs and on my teenaged daughter's computer ichat won't connect. The message she gets is: "Could not connect to AIM...try again in a few minutes" But every time we wait and try again we still get the same message. The internet connection is fine. Any ideas? Should I reinstall Leopard???

Hi Barbara,
If the Buddy List does not Appear and the Accounts are not listed in either the Window menu or the iChat Menu > Accounts then I only know of the Activity Monitor route.
The com.apple.ichat.plist (and others) are in Users/(here account)/Library/Preferences
She has to navigate there manually either from the Finder Window side bar or from the hard Drive (or her house icon is the same a Her Account).
I this case if iChat is open (but not showing anything except the menu bar) I would open Activity Monitor and find both iChat (with icon and iChatAgent (without icon)
Quit iChat. It should disappear in Activity Monitor.
iChatAgent stays there for a while. That is why it say Force Quit it.
Once both are quit I would delete all the .plist for ichat
Then restart iChat.
it will use the Keychain and Address Book to prefill the Start Up Screens which she can click through.
This problems seems to be caused by a sudden drop out of the AIM server and corrupt info being in the .plist
It seems different people find it is different .plist that are effected, which is why I suggest dumping all of them.
If this does not work.
While iChat is still open go to iChat > Preferences > Accounts > Server settings and change the port to 443 but without the SSL login.
If you do not have access to the preferences repeat the above and restart the computer not connected to the internet and then start iChat. It will still report it can not Login but should give you access to the Preferences.
9:51 PM Monday; December 31, 2007

IChat won't initiate any form of chat

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