945      iPhone_iPad_Mac_apple

Trying to install iTunes on Windows 8.1.  ...

Trying to install iTunes on Windows 8.1.  Apple Application Support was not found.  Error 2.  Uniinstall iTunes and try again, does not work.  Is there a fix?

Let's try a standalone Apple Application Support install. It still might not install, but fingers crossed any error messages will give us a better idea of the underlying cause of the issue.

Download and save a copy of the iTunesSetup.exe (or iTunes64setup.exe) installer file to your hard drive:

https://www.apple.com/itunes/download/

Download and install the free trial version of WinRAR:

https://www.rarlab.com/

Right-click the iTunesSetup.exe (or iTunes64Setup.exe), and select "Extract to iTunesSetup" (or "Extract to iTunes64Setup"). WinRAR will expand the contents of the file into a folder called "iTunesSetup" (or "iTunes64Setup").

Go into the folder and doubleclick the AppleApplicationSupport.msi to do a standalone AAS install.

Does it install properly for you?

If instead you get an error message during the install, let us know what it says. (Precise text, please.)

suggested all done now new errors following coming

The application was unable to start correctly 0xc000007b. Click OK to close the application.

So plz provide solution on priority.

For general advice see Troubleshooting issues with iTunes for Windows updates.

The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Right-click on the setup file and run the installer as administrator (this behaves differently even if yours is an admin account). In some cases you may also need to disable any non-Microsoft anti-virus software while installing.

Review the other boxes and the list of support documents further down the page in case one of them applies.

The further information area has direct links to the current and recent builds in case you have problems downloading, or want to revert to an older version if the current one won't work properly for you at the moment.

Your library and device backups should be unaffected by these steps but there are links to backup and recovery advice should it be needed.

tt2

最後更新：2017-08-20 04:53:07

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