I cannot play AVI after upgrading to Lion

After a seamless upgrade I now find that Quicktime no longer plays AVI files. I have Flip 4 Mac and Perian installed but now neither of them seems to do the trick as they did in Snow Leopard. Any thought would be appreciated.

Maybe both Flip 4 Mac and Perian need an update

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QuickTime in Safari cannot play video after upgrading to iTunes 10.2

After upgrading to iTunes 10.2 and QuickTime 10 on my MacBook Pro, the latest Quicktime version embedded in Safari is behaving strangely. When I want to play video on certain websites like " http://www.lynda.com/Aperture-3-tutorials/essential-training/59221-2.html ", the Quicktime logo on Safari browser appears and just sits there with sound only. I tried it on Firefox, the video can only be played on the lower part of my suddenly splitted screen, there is an "error" message on a Quicktime logo background.
Could anybody help me solve the problem. By the way, all these videos can be played normally on my Windows 7 desktop using both Firefox and Safari for Windows.

To make the matter more weird, the QuickTime plays normally on my Safari after I log out and switch to the administrator account of the MacBook Pro. When I change back to a normal account, the QuickTime error takes place again. It seems there must be something I configured wrongly.

Cannot send mail after upgrading to Lion

Can anyone help.
I upgraded to OS X Lion, and since then I cannot send mail from any of my accounts.
Nothing wrong with them. I can access, receive and send with othe Mail programs, as well as from my iPhone and iPad.
I have deleted, and reconfigured my accounts, and no luck.

I am having the exact same problem as Steve Kennedy a few posts back.
"When I press send I watch the fan for a couple of minutes before seeing the error message that invites me to select another server or try later. The outgoing mail server that shows up as being unusable is MobileMe (MobileMe). When I select smtp.me.com, I can send. Sometimes I can even send a couple of messages before the problem returns.
I'm using Lion and Mail 5.0 (1244.2/1244.3) on my iMac (mid-2010) and Verizon FIOS. Never had this problem with Snow Leopard or earlier. Don't have it with my MacPro running Snow Leopard on the home wireless network. Don't have it when using MobileMe mail on the Web, but that's a slow alternative."
I am getting REAL tired of the Lion quirks. <y desktop rearranges itself when it feels like it. Nothing consistent or repeatable. The folders just all appear on the right side and disregard how I have them organized on the desktop. I have set all of the recommended settings to no avail. A mind of it's own.
Help us Apple. Mail is almost unusable.

Cannot update iTunes after upgrading to Lion

After installing Lion on two machines - a new MacBook Pro and a year old iMac - I get a 'The update “iTunes” can’t be installed' 'An unexpected error has occurred'. When trying to update iTunes. The error happens during the Cleaning Up step.

I also have this exact same problem.
I am afraid to remove my current version of iTunes in order to install the new one because I feel I won't be able to reinstall it again if anything goes wrong.

After upgrading to lion vevo, youtube, and hbo no longer plays videos. I'm assuming this is some kind of plug-in issue. How can I resolve it?

After upgrading to lion, vevo, youtube, and hbo no longer plays videos. I'm assuming this is some kind of plug-in issue. How can I resolve it?

Adobe has published a list of known issues relating to Mac OS 10.7 Lion here:
http://kb2.adobe.com/cps/905/cpsid_90508.html
The download page for Flash Player for Mac is here:
http://get.adobe.com/flashplayer/?promoid=ISMRZ

After upgrading to Lion can't get Boot Camp to work! Just get "startup dusk cannot be portioned or restored to a single partition"?

After upgrading to Lion can't get Boot Camp to work! Just get "The startup disk cannot be partitioned or restored to a single partition". Anytone?

This message, and threads like yours got asked daily for over two years, now it is only a couple times a week!!
Is it so hard to follow through? you were to have backup already, clones are best, then erase/format and restore.
Then partition.
Some have been able to use Disk Utility booted from OS X DVD or another drive, and repair the drive.
You have to use Boot Camp Assistant (99.9% anyway) to create and achieve a proper Windows Master Boot Record partition.

After upgrading to Lion I cannot rewrite CD-RW with my Superdrive. I'm on an iMac24 10.7.1s

After upgrading to Lion I cannot rewrite CD-RW with my Superdrive. I'm on an iMac24 10.7.1

Might be corrupted audio preferences ..
Open the Finder. From the Finder menu bar click Go > Go to Folder
Type or copy paste the following;
/Library/Preferences/Audio
Click Go then move both .plist files from the Audio folder to the Trash.
com.apple.audioDeviceSettings.pllist
com.apple.audio.SystemSettings.plist
Restart your Mac. See if that made a difference ...

Cannot eject USB HDD that is being used for Time Machine after upgrading to Lion

After upgrading to Lion from SL, I have had only one issue. Amazing! Great job Apple with making the process smooth, but my issue is this. Ever since the upgrade, I cannot eject the external USB HDD that I use for Time Machine. I get the following error:
The disk "Time Machine" wasn't ejected because one or more programs may be using it. To eject the disk immediately, click the Force Eject button. There is the little spinning fan and the message "Trying to eject" and then the fan disappears and where it said, "To eject the disk immediately..." it now says "You can try to eject the disk again or click Force Eject to eject it immediately." I can click Force Eject and it will work, but seems like there is an issue that needs to be addressed. Any thoughts anyone?

Ok, I think there's a slightly better way, but try this:
Open the Terminal app (in your Applications/Utilities folder). Be very careful with this app. It's a direct link into UNIX, the underpinnings of OSX, but without the protections of OSX.
In Terminal, the prompt looks like this: <Computer Name>:~ <your name>$
(where <your name> is your short user name). It's followed by a non-blinking block cursor.
Copy the following after the prompt:
lsof |grep
and leave a space. Then drag the Backups.backupdb folder on the TM drive from a Finder window into the Terminal window (Terminal will convert that into a "path").
Press Return.
You should get a list of geeky stuff; but the first thing on the next line should be the process that's using the drive (Finder in the sample), followed by another prompt:

After upgrading to Lion my videos have a codec error and won't play

After upgrading to Lion my videos have a codec error and won't play

Hi waiex,
I have recently upgraded to Lion and have the same problem as you. Did you find a solution?
Thanks in advance.

After upgrade to Lion from Snow Leopard, my computer cannot shut down without using the on/off button in right side corner

Hi i have a macbook pro 15" from feb 2011. With snow leopard.
After upgrade to Lion, i canot shut down or restart.
I have to use the "on/off" bottom. in the right side of dashboard.
Have anyone any solution for that problem ?
Brian Steen

brian steen wrote:
I have once instlled a kind of antivirus, but i have removed it from programs to trash.
Gotcha, Bingo, Bazinga!
Moving the antivirus to trash does not delete or disable some parts of the application.
How to remove the remaining parts of the application depends on the application as the different AV-Systems place there parts at different places and use different preference files.
At first check if the AV is still listed in the startup items (System Settings - Accounts - your account - startup items) and remove them from that list.
Lupunus
PS ... about your Canon printer -> https://discussions.apple.com/thread/2657947?start=0&tstart=0
Message was edited by: lupunus (PS added)

I can't hear sound after upgrading to lion

I have this little annoying problem with my iMac after upgrading to Lion OSX. After waking up my iMac I can't hear any sound from internal speakers, ie: only video on Youtube, but no sound, but whilst pressing volume up/down button I can hear beep. When it happens So I have to restart system everytime it happens. Anyone any ideas or maybe someone out there has the same problem?

I'he double checked everything, only 1 output device (internal speakers). As I said before, it is weird because I can play iTunes and can hear "beep", but neither youtube sound, nor game sound or internet radio seems to be working, no sound whatsoever. But this time system didn't go to sleep, it has just happened suddenly.... Restart again then!

After upgrading to lion my web server won't run

after upgrading to lion my web server won't run

From System Prefs clicking on Web Shareing wont start.
From the terminal attempting to run httpd gives me:
iBookWiz:~ steve$ sudo httpd
httpd: Syntax error on line 117 of /private/etc/apache2/httpd.conf: Cannot load /usr/libexec/apache2/mod_fastcgi.so into server: dlopen(/usr/libexec/apache2/mod_fastcgi.so, 10): image not found

After upgrading to lion 10.7 I can no longer use my canoscan 9950f, why?

After upgrading to lion 10.7 my canoscan 9950f scanner is no longer recognized. Have I lost thye use of this scanner by going to 10.7?

Not likely. Make sure the scanner is still available in System Preferences > Print & Scan. You might have to delete the old scanner and add it again if your computer cannot "find" it.
Before you do that, and while you are in Print & Scan, see if you can get it to scan by selecting the Scan tab.
In Lion, all scanning functions have been relegated to Preview, the Print & Scan preference pane, and Image Capture.

After upgrading to Lion, preview will not print any documents. When selecting "Print" it just hangs with no show of the printing menu.

After upgrading to LION, preview refuses to print out documents to our Ricoh and Canon printers. All other apps work fine with no problems.
Does anyone have similar experience or an answer to resolving this problems.

I had the same problem when attempting to print to my Canon ImageCLASS multifunction laser printer. Canon have acknowledged the problem by saying:
"Cannot print from Preview or TextEdit; causes applications to crash. For PDF documents, Canon recommends that the free version of Acrobat Reader is used."
They go on to say:
"An updated driver for each model will be released as a permanent solution. The driver will be an official driver to support Mac OS X 10.7. The target release schedule is approximately three months after Lion is officially released."
Source:
http://www.canon.com.au/en-au/Support-Services/Support-News/Lion-Support
I've followed their advice and have been using Adobe Reader for viewing and printing PDFs. I'll revert back to the Preview app once the updated drivers become available.

After upgrading to lion, cant use TM

After upgrading to lion, I can't see any TM backups, and I do not have access to this external harddrive.
In the TM backup, I can see all backups, but cant activate or use them.
When I click to the external HD, an error message says: "The folder "" cannot be opend, because you do not have permission..."
I tried to solve problem as Apple given on website, but didnot help.
Thanks for help!

I had this same problem after I copied my TM backups from a 500GB TC to a larger external USB drive.
After some work, I finally was able to get the backups from the old TC to show up (in pink) on the new external drive, but still was unable to select/use the backups in pink.
After readings lots of the pondini posts, I saw some things that seem to get me access to the pink timeline items.
First, I read this post. At the beginning of it, it read...
Time Machine keeps the backups for each Mac separate, and normally only shows the ones for the Mac it's running on, even if there are other Macs' backups on the same disk/partition.
Also, sometimes Time Machine will start a new "sequence" of backups, as if they were from a different Mac.
To see these "other" backups, you need the Browse Other Backup Disks or (Browse Other Time Machine Disks) option. It's available by Alt/Option-clicking the Time Machine icon in your Menubar, or by right-clicking the Time Machine icon in your Dock.
At the end of the post (scroll to the blue box at the bottom), this also gave me an strategy...
If you've moved from a network location to local, Time Machine will usually continue backing up to the sparse bundle. But when you
Enter Time Machine, it will be looking for local backups. You'll have to manually mount the sparse bundle by double-clicking it in the Finder before entering Time Machine, and may need the Browse ... option.
These ideas helped me, as I am now able to access the pink backups in the timeline.

I cannot play AVI after upgrading to Lion

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