Itunes update would not install due to an error, now itunes won't run and I get this message when I try to launch itunes: "This application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem"

itunes update would not install due to an error, now itunes won't run and I get this error message when I try to launch itunes: iTunes.exe - Unable to Locate Component "This application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem."
I'm on a Dell PC running Vista Home Premium.
HELP!!!!!!!!!!!!!!!!!!!

try removing all itunes and all other apple program
follow this link for more info. http://support.apple.com/kb/HT1923
reboot ur window after uninstalling
after that download the latest itunes setup and install.

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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!!!!!

This application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem.

I recently tried to download the latest version of iTunes, but an error occured during the process. It was recommended that i reinstall iTunes to attempt to correct that problem. After I attempted to reinstall, an error came up with the title "iTunes.exe - Unable to locate component." the body of the error message read "This application has failed to start because MSVCR80.dll was not found. Reinstalling the application may fix this problem." When I click "Ok", another error message pops-up reading "iTunes was not installed correctly. Please reinstall iTunes. Error 7 (Windows error 126)". I tried reinstalling iTunes 3 times now, each time with the same result. What is going wrong, and what do I need to do?

Kappy, I completely overlooked your original response due to it's small, one line nature and poor UX design of the area surrounding the message area.
Upon following the complete instructions linked from the link you posted (http://support.apple.com/kb/HT1923?viewlocale=en_US&locale=en_US), my first attempt resulted in everything being installed except for iTunes. So trying yet again.
I do have Safari for Windows Vista installed, which is why I could not delete everything in the C:\Program Files\Common Files\Apple\ folder. I'm guessing this is Apple's way of completely removing Safari Win from history (there's always an under-the-table reason when something like this happens with Apple installs, they just won't say it publicly). Uninstalling Safari. Uninstalling Safari removes the remaining "Internet" files from C:\Program Files\Common Files\Apple\
Uninstalling iCloud. Uninstalling MobileMe Control Panel that was never used. That leaves only QuickTime installed as an Apple product on my machine.
Just for the record, I did not have this folder: C:\Program Files\iPod\
Emptied the Recycling Bin.
Shut down and fresh start-up.
Install attempt again: results in the installer saying something interrupted it (no other programs open)
Installing again immediately after error: Success
Clearly there are issues with this installer.
A pop-up shows up with "The registry settings used by the iTunes drives for importing and burning CDs and DVDs are missing. This can happen as a result of installing other CD burining software. Please reinstall iTunes"
No other CD burning software installed other than what came pre-installed by Gateway and a install of Windows Vista Pro (or whatever the top expensive one was called).
iTunes launched. iTunes Library, items like Movies & Music, and playlists are still intact and usable.
Good thing I don't have these issues on my Macs (ahem, which is why these errors are allowed to persist by Apple to discourage Microsoft/Windows/PC use and purchase, all about the money and Apple has become the non-caring giant it once sought to overthrow as the underdog, miss those days).
Thanks Kappy. Thanks for the time suck Apple.

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)

After installing the latest version of ITunes I get an error message that says this application has failed to start because MSVCR80.dll was not found. how do I get Itunes to start working again?

After installing the latest version of ITunes I get an error message that says this application has failed to start because MSVCR80.dll was not found. how do I get Itunes to start working again?

See... Unable to install or open > http://support.apple.com/kb/TS5376
Also See this User Tip by turingtest2
https://discussions.apple.com/docs/DOC-6562

TS1717 recent update of software crashed. Now when opening i tunes I get message "this application has failed to start because MSVCR80.dll was not founds. Re-installing the application may fix this problem. Re-install has no effect!

recent update of software crashed. Now hwen i try to open i tunes, i get message "This application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem" - It has not!

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.
(99750)

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.
(99792)

TS3212 I cannot get the new iTunes to start in Windows Vista. I get an error that states "This application has failed to start because MSVCR80.dll was not found". Reinstalling does not help.

I get an error that states "This application has failed to start because MSVCR80.dll was not found". Reinstalling does not help.I have tried removing iTunes and reinstalling, I have tried "repairing" option at reinstall, nothing seems to work.

Read this:
iTunes 11.1.4 for Windows - Unable to install or open - MSVCR80 issue

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)

Updating iTunes with error message "this application has failed to start because MSVCR80.dll was not found"?

After updating iTunes, has anyone got the message "this application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem." message and "iTunes was not installed correctly. Please re-install iTunes. Error 7 (Windows error 126)"? I've tried everything from un-installing and re-installing iTunes to deleting the SC Info. Any help would be greatly appreciated

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.
(99840)

HT1349 When trying to run itunes on my PC, get this message. This application has failed to start because MSVCR80.dll was not found.

When trying to run itunes on my PC, I get this message. This application has failed to start because MSVCR80.dll was not found. Do you have any clues on a solution?

Welcome to Apple Support Communities
A solution is listed in the thread below.
It probably and other similar discussions appear in the More Like This window to the right of your question. The ones with a green check mark are questioned marked 'answered' by the original poster.
https://discussions.apple.com/message/24610401#24610401

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.

HT6001 I have tried numerous time to update iTunes to Version 11.1.4. Each time it has failed. I get the message of "This application has failed to start because MSVCR80.dll was not found". Also I get a message of "Error 7". Advise please.

I have tried numerous time to update iTunes to version 11.1.4. It has failed every time. Now I can't even get into iTunes on my PC. The message I get is "This application has failed to start because MSVCR60.dll was not found. Re-installing the application may fix the problem." Okay. Which application? What steps are needed for this process?
Also, I get this message "iTunes was not installed correctly. Please reinstall iTunes. Error 7 (Windows error 126)" Could someone please assist me in the steps necessary to remedy this issue. Thanks.

For many users at this point in time (iTunes 11.1.4.62) uninstalling iTunes alone is not enough and they may need to undertake further steps...
Go to Control Panel > Add or Remove Programs (Win XP) or Programs and Features (later)
Remove all of these items in the following order:
iTunes
Apple Software Update
Apple Mobile Device Support (if this won't uninstall move on to the next item)
Bonjour
Apple Application Support
Reboot, download iTunes, then reinstall, either using an account with administrative rights, or right-clicking the downloaded installer and selecting Run as Administrator.
The uninstall and reinstall process will preserve your iTunes library and settings, but ideally you would back up the library and your other important personal documents and data on a regular basis. See this user tip for a suggested technique.
Please note:
Some users may need to follow all the steps in whichever of the following support documents applies to their system. These include some additional manual file and folder deletions not mentioned above.
HT1925: Removing and Reinstalling iTunes for Windows XP
HT1923: Removing and reinstalling iTunes for Windows Vista, Windows 7, or Windows 8
tt2

I recently tried to update iTunes to 11.1, and am now getting an error message "This application has failed to start because MSVCR80.d11 was not found." I have uninstalled and reinstalled iTunes multiple times. Am running Windows XP Svc Pack 3. help

I recently tried to update iTunes to 11.1, and am now getting an error message "This application has failed to start because MSVCR80.dll was not found. Reinstalling the application may fix this problem." I have uninstalled and reinstalled iTunes several times with no success. I am running Windows XP Svc Pack 3. Help please.

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.
(99753)

Itunes update would not install due to an error, now itunes won't run and I get this message when I try to launch itunes: "This application has failed to start because MSVCR80.dll was not found. Re-installing the application may fix this problem"

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