Can't open itunes because pthreadVC2.dll was not found?

I have enjoyed itunes for a long time on my Sony Vaio, but now everytime I try to open it I get this message:
"This application has failed to start because pthreadVC2.dll was not found".
I have followed the instructions of previous posts, repeatedly deletin itunes and reinstalling it again. I have the latest versions of everything. We have spent countless hours in frustration but nothing has worked. I can't even fine a number to call or a place to email to get an answer regarding itunes support. Any ideas?

AFAICT, pthreadvc2.dll is part of Safari, not iTunes. Do you have Safari installed?
If so, I would try uninstalling it, then trying to run iTunes. If you need Safari for some reason, re-install it.

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HT1751 unable to open itunes because MSVCR80.dl was not found error7 windows error126

cannot open itunes because MSVCR80.dl was not found error7 windows error126

Check out this page: Troubleshooting issues with iTunes for Windows updates

Pthreadvc2.dll was not found

I am getting an error message when I open iTunes saying "This application has failed to start because pthreadvc2.dll was not found. Re-installing the application may fix this problem." I have uninstalled/re-installed the program. When it completes the re-install, iTunes does open and is usable, but when I close out of it and try to re-open it again I get the error message again. Anyone know the fix for this?

YES! I have finally resolved this problem. A Techi from Apple sent me an article with very detailed explaination of the proper way to uninstall and reinstall. he assured me that if I followed the tedious directions to the letter that the problem would be resolved and in fact it was.
the link is: <http://support.apple.com/kb/HT1926?viewlocale=en_US>
Good luck.

HT1926 My itunes won't open because it says "This application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem" Can someone help? I don't want to delete it altogether due to needing the phone backup

I was given notification to upload the latest version of itunes recently, so I clicked installed. However it has since corrupted my itunes and I get the error message:
"This application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem".
In poor timing, I have also accidently damaged my phone and have a new one to restore it to an old back up.
It is because of this I am reluctant to completely delete itunes off my computer and start again for fear of losing my back ups.
Is there another way to fix iTunes so I can open it again?
Thanks

Hey I finally got an older vesion of itunes to work!!! 10.7 x64 for windows 7
After uninstalling all apple products even quicktime
I had to delete everything from (program files, and program files x64, program data,)
And all downloads from apple, and I went in to search deleted other stuff from apple, and itunes
But definently not my itunes library and Playlist
Down loaded 10.7 x64 for windows 7, but checked (do not start when done)
Then I emptied my recycling bin and restarted my PC
I ran geek tech tool box same as reg cure pro, also PC Tools registry cleaner, and CC Cleaner
Then I emptied my recycling bin and restarted my PC
And wallah... It finally works, and I Love the older version anyways.
Easier to download and transfer music!!!!!

TS1717 Can't open iTunes, keeps getting this error "iTunes.exe - Unable to locate component. This application has failed to start because MSVCR80,dll was not found"

Can't open iTunes, keeps getting this error "iTunes.exe - Unable to locate component. This application has failed to start because MSVCR80,dll was not found"

Solving MSVCR80 issue and Windows iTunes install issues.

Can't open iTunes, it said it has failed to start because MSVCR80.dll was not found, and I re-installed application many times and still problem persist, how do I solve this?

can't open iTunes, it said it has failed to start because MSVCR80.dll was not found, and I re-installed application many times and still problem persist, how do I solve this?

Try the following user tip:
Troubleshooting issues with iTunes for Windows updates

I was updating Firefox from version 6 to version 7, after updating I tried to open Firefox and the message I got is this: This application has failed to start because xul.dll was not found. How can I fix this?

I was updating Firefox to the newest version 7.0.1 from version 6.0.2 I think it was, I clicked the restart Firefox button that always comes up after updating. It started updating and then Firefox never restarted like it was supposed to after it was done updating. I then tried to open Firefox and it told me "This application has failed to start because xul.dll was not found." I did have Firefox crash on maybe about 30 minutes or so earlier which bothered me because I have been using Firefox for years and never had it crash on me before but I didn't think much of it at the time it happened because I was able to go back onto Firefox and finish what I had been working on. A while later I checked for updates and updated. The first time I tried to update it didn't work though so I had to shutdown Firefox and reopen Firefox and start the update a second time. It was after the second time that when I tried to open Firefox I got that message about failing to start because xul.dll can't be found. I filed a crash report when my Firefox crashed. This would have been around 1am-2am in the morning that Firefox first crashed and then wouldn't allow me to open it after updating. I have a DELL laptop running the Windows XP operating system but the laptop is probably at least 6 or 7 years old. The laptop will no longer charge so I always have to have it plugged into an outlet. Both my laptop hard drive and my external hard drive give me messages that I am running out of disk space on my hard drive. I bought this laptop 6 or 7 years ago second hand so it could be even older. In short it's a piece of crap and it gives me all kinds of issues but I currently can't afford a new one, but I have never had any problems with Firefox and I use Firefox more than any other aspect of my laptop so it's really really bothering me. May you please help me fix it?

Unfortunately I tried that and it didn't work. Thanks for the help though. I tried to uninstall and it said I couldn't because the file is corrupt or something, but I think I finally got it uninstalled and/or deleted or whatever, but now I try to reinstall/download it again from the beginning and I can't. No matter what I do I can not get Firefox working again. No matter how many times I try to redownload it. Any other suggestions?

HT1926 I try to download Itunes and when i am done it i tried to open it and it said "This application has failed to start because MSVCR80.dll was not found. re-installing the application may fix this problem"

i tried to open itunes and it said "This application has failed to start because MSVCR80.dll was not found. re-installing the application may fix this problem" and "itunes was not installed correctly. please reinstall itunes. Error 7 (windows error 126)" what does this mean and how do I fix it? I reinstalled itunes and this just popped up again :C

See Troubleshooting issues with iTunes for Windows updates.
tt2

Error Message reads: this application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem. I have re-installed, SO many times and I still cant open iTunes.

Hi Support,
I am becoming anxious because no matter what I try it doesnt seem to allow me to open itunes.
Error Message reads: this application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem.
I have re-installed, SO many times and I still cant open iTunes.
Please help!!

Click here and follow the instructions.
(98888)

Since the lastest update i am unable to open up my itunes. i receive a message saying applicatin has hailed to start because MSVCR80.dll was not found. re-installing the applicaiton may fix this problem

Since the lastest update i am unable to open up my itunes. i receive a message saying applicatin has hailed to start because MSVCR80.dll was not found. re-installing the applicaiton may fix this problem

Try the following user tip:
Troubleshooting issues with iTunes for Windows updates

HT201210 I just updated my iTunes and now I get a message that the application has failed to start because MSVCR80.dll was not found. What happened and how do I fix this? I can't access any of my music now.

I just updated my iTunes and now I get a message that the application has failed to start because MSVCR80.dll was not found. What happened and how do I fix this? I can't access any of my music now.

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.
(99460)

After installing Itunes 10.6.3 When ever I start the computer I get a pop up the says "Applesyncnotifier.exe- unable to locate component, this application has failed to start because Corefoundation.dll was not found" How can I get rid of the pop up?

After installing Itunes 10.6.3 When ever I start the computer I get a pop up the says "Applesyncnotifier.exe- unable to locate component, this application has failed to start because Corefoundation.dll was not found" How can I get rid of the pop up?

I hope it doesn't effect how I down load my itunes to my ipod and iphone.
No you should be fine. (The MobileMe service is being shut down, anyway, so there should be no impact at all.)

HT1926 I tried to download the latest version of iTunes but now seem to have lost everything and can not access my library at all. Instead i keep on receiving the message 'Application has failed to start because MSVCR80.dll was not found. I cannot access

I tried to download the latest version of iTunes but failed half way through. It suggested that i reinstall we I tried. However, i now get this message which states "Application has failed to start because MSVCR80.dll was not found. Reinstalling the application may fix the problem"
I have tried this but with no success. I have therefore found that I cannot access my iTunes library at all now.
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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Itunes failed to start because 3ivx.dll was not found

I cannot launch itunes on my computer. When I try to open it a window pops up that reads "Quick Time handler window: itunes.exe - unable to locate component". The message reads: "This application has failed to start because 3ivx.dll was not found. Reinstalling the application may fix this problem."
I have installed the newest version of itunes and quick time but this hasn't worked. Scan on computer shows everything to be fine - no viruses etc.
Just wondering if anybody knows how to fix this?
Thanks

Quick Time is up to date.
... no, I wasn't checking on your QuickTime. 3ivx is a different thing. See:
http://www.3ivx.com/
Is the 3ivx stuff you've got installed on your PC up to date?

When I try to open Firefox I receive this message, "Application has failed to start because ssl3.dll was not found." HELP!

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See if you can make Webroot restore that file in the Firefox program folder (C:\Program Files\Mozilla Firefox\).<br />
If not then you need to reinstall Firefox and make sure that Webroot doesn't do that another time.
You can find the latest Firefox release here:
*Firefox 8.0.x: http://www.mozilla.com/en-US/firefox/all.html

Can't open itunes because pthreadVC2.dll was not found?

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