HT5318 Won't install 10.6.3 -Says signature not valid

Won't install 10.6.3 -Says signature not valid. Never had a problem with any updates before. Tried downloading , then installing. wont work.. I'm Stumped...

Go directly to Apple link to download
http://support.apple.com/kb/DL1426
Select "Save" instead of "Run". Once downloaded, go to the downloaded folder, right click the iTunesSetup.exe or iTunesSetup64.exe and select 'Run as Administrator' to install

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I downloaded 4.0 but it won't install. It keeps saying Extraction Failed Can not open output file. HELP!

Download of the new 4.0 won't install. It keeps saying Extraction Failed Can not open output file.

Oh? That's "reset youtr laptop"?
Download iPhoto Library Manager and use its rebuild function. This will create a new library based on data in the albumdata.xml file. Not everything will be brought over - no slideshows, books or calendars, for instance - but it should get all your albums and keywords back.
Because this process creates an entirely new library and leaves your old one untouched, it is non-destructive, and if you're not happy with the results you can simply return to your old one.

HT5934 My phone downloaded the update but it won't install it, it keep saying I'm no longer connected to the Internet and I am I'm under wifi at home what should I do?

My phone downloaded the update but it won't install it, it keep saying I'm no longer connected to the Internet and I am I'm under wifi at home what should I do?

Click here and follow the instructions. You may need to completely remove and reinstall iTunes and all related components, or run the process multiple times; this won't normally affect its library, but that should be backed up anyway.
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Blackberry Desktop Software won't install on PC "Installation files cannot be validated."

Blackberry Desktop Software won’t install on PC “Installation files cannot be validated." KB article 28396 couldn’t get past # 4 because no digital signatures tab. Removed desktop software initially because it would not update.
Mark

I have the same problem, "Torch"
Acer,Windows XP
Blackberry Desktop will not install
RE; Cannot Vaidate
....Scanned internet, unable to find correct Formula to do so

I am using and iphone 4 on ios 7.0.6 and i recently installed whats and its says "could not connect to whats app service. please try again later

i am using and iphone 4 on ios 7.0.6 and i recently installed whats and its says "could not connect to whats app service. please try again later

According to WhatsApp, service is back up & running. Did have a 4 hour outage:
https://twitter.com/wa_status/status/437358172983279616

Tried updating to 11.4 Itunes and it says "key not valid for use in specified state"

when I tried to update ITunes to 11.4 I get an error message saying " key not valid for use in specified state" I tried uninstalling iTunes and downloading the new version but it still won't download. I also tried syncing my Iphone 6 and it wouldn't let me until I updated to 11.4 which brings me back to my problem???

For "Key not valid for use in specified state" errors try moving the folder RSA from C:\Users\<User>\AppData\Roaming\Microsoft\Crypto\RSA to say C:\RSA (just in case there should be a need to restore it) then try installing again. This folder appears to act as a cache and should be rebuilt automatically as required.
For further problems installing iTunes see Troubleshooting issues with iTunes for Windows updates.
tt2

My phone says SIM not valid after ios 5 update, Why and how do I fix it?

Why does my iPhone 4 say SIM not valid after I updated to ios 5? Also, is there anything I can do to fix it?

Sounds like your phone was software unlocked, or hacked/jailbroken, to work with any carrier. Updating the phone restored the original carrier lock. All you can do now is contact the carrier it is locked to and see if they have an unlocking policy.
Good luck.

Cannot install applications because the certificate is not valid

cannot install applications because the certificate is not valid error from my iphone when trying to install an application, running the latest update 7.1

upload your app.plist to dropbox
get shared link of app.plist, like https://www.dropbox.com/s/qgknrfngaxazm38/app.plist
replace www.dropbox.com with dl.dropboxusercontent.com in the link, likehttps://dl.dropboxusercontent.com/s/qgknrfngaxazm38/app.plist
write your download.html like <a href="itms-services://?action=download-manifest&url=https://dl.dropboxusercontent.com/s/qgknrfngaxazm38/app.plist">INSTALL!!</a>
upload the download.html to dropbox
get shared link of download.html, like https://www.dropbox.com/s/gnoctp7n9g0l3hx/download.html
replace www.dropbox.com with dl.dropboxusercontent.com in the second link as well, likehttps://dl.dropboxusercontent.com/s/gnoctp7n9g0l3hx/download.html
Now, visit https://dl.dropboxusercontent.com/s/gnoctp7n9g0l3hx/download.html in your device, you can install the app like before.
WHAT A WONDERFUL WORLD！

IOS diagnostics DOESNT work on my ipad 2. i get message with 99206 and when i enter it says ticket not valid

iOS diagnostics DOESNT work on my ipad 2. i get message with 99206 and when i enter it says ticket not valid why send to me if it isnt valid ?
trying to find answer for gamecenter not working.

APN is a network identifier for mobile device
http://en.wikipedia.org/wiki/Access_Point_Name

HT1414 I restored my I phone 4 using Itunes, after that I can't access the icon any more I only got a message that says " ( Sim not Valid.) Only compatible SIM cards from supported carrier may be used to activate iphone.

I restored my I phone 4 using Itunes, after that I can't access the icon any more I only got a message that says " ( Sim not Valid.) Only compatible SIM cards from supported carrier may be used to activate iphone. I need some proffesional help. Thanks

"We're Sorry, Activation Server Temporarily Unavailable, contact Customer Care, Sim not vaild?"
99.9% of the time, the cause of this issue is the fact the phone was jailbroken/hacked to unlock it for use on networks other than the network the phone was originally locked to. Apple maintains a database of officially unlocked iPhones, and when Apple's servers detect phones such as yours, activation stops & you get the message you got.
So, either get a sim card from the carrier your phone was originally locked to, or get it officially unlocked, if you want to activate it. Because it appears that it was not officially unlocked.

HT201303 i put my security code of my card and say its not valid

i put my security code of my card in app store and says its not valid

Is the address on your iTunes account exactly the same (format and spacing etc) as on your credit card bill : http://support.apple.com/kb/TS1646 ? If it is then you could try what it says at the bottom of that page :
If the issue persists, contact your credit card company and verify that they and any company they use to process credit card authorizations have the correct information on file.
And/or try contacting iTunes support : http://www.apple.com/support/itunes/contact/

Replacement iPhone saying sim not valid.

I just recieved my replacement iphone 4 today, when I turn it on it says insert sim to activate, when I do that it says sim not valid but on top left displays vodaNZ(as im from nz). Keeps saying insert the sim your iphone came with. It doesn't say activate your ipone using apple id and stuff like that. All it says is insert sim to activate. Could it be a corrupt sim or hardware issue? Help Please!

Try a different sim if you have one and see if that works. If it does then the sim is no good.

Iphone 4s not recognising new sim card keeps saying sim not valid?

iphone 4s not recognising new sim card keeps saying sim not valid. Can anyone advise me please?

There are three possibilities:
1. Your phone is locked to a different carrier and will not work with any SIM card except those from that carrier.
2. Your new card is from a carrier not supported by the iPhone.
3. Your new SIM card is defective.
In order to determine which is the right answer you could try a different sim from the same carrier or try your new card on a different iPhone. Also check to make sure your new carrier is a supported carrier.

Iphone 4s saying sim not valid i just got the phone is have unlock code what do I do

Just got an iPhone 4s have the unlock code but the screen is just saying sim not valid how do I unlock

There is no such thing as an "unlock code" for an iPhone. If someone sold you one you have been scammed. iPhones are unlocked by the carrier the phone is locked to updating the master iPhone database maintained by Apple.

How can I activate my 4s? I bought it unlocked and now in another country it says sim not valid.. Please help

I bought an apple iPhone 4s unlocked from Canada. Now I'm in another country and I can't activate it because it says sim not valid,!! Then why the **** is it called unlocked phone????

It was bought from apple unlocked. No carrier's logo or name at all on the box... It turns on, I connect it to iTunes. It even asks me if I want to update for ions 5.0.1 something like this, but still in the main screen for iTunes it says:
the sim card inserted in this iPhone does not appear to be supported. Only compatible sim cards from a supported carrier mayb be used to activate iPhone.

HT5318 Won't install 10.6.3 -Says signature not valid

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