When successfully repaired, your i Tunes will automatically restart.So, we summarize the most common error messages during i Tunes installing and updating.
You’ve just updated to Windows 10 and trying to install i Tunes, but it is not working?Maybe you are receiving An error occurred during the installation of assembly Microsoft or Apple application support was not found error message.You may receive one of the following error messages when updating or installing i Tunes for Windows: This i Tunes install error is not strange to some users who came across the same i Tunes 12.3 installation error on Windows 10. Open Uninstall a Program from the Windows Control Panel. Right click on Apple Software Update, select Repair from the context menu. If you cannot locate a file, skip and go to the next file.The most common cause of the errors is outdated or incompatible version of Apple Software Update on the PC. Any other files should not be removed from this folder. After you drag these files to Recycle Bin, go and perform a repair on both installed versions of Apple Application Support (64 and 32-bit) in the Add/Remove Programs list in the Control Panel.You’re ripping your hair out because you have no idea what is going on and how to fix it.
Let’s help you out with that because you’re not alone since many have been complaining about the same problem.There may be an answer here: https://support.apple.com/en-gb/HT201668 If the aforementioned methods didn't work for you, you can try Tenorshare Tunes Care, which is a professional i Tunes repair tool, can easily solve all i Tunes issues within a couple of clicks.Step 1: First of all, please download,install and run Tunes Care on your computer.For years I have run i Tunes on various platforms XP, Vista and Windows 8 and whatever was before these, until recently I have had no major problems.About 3 or four months ago I was notified of an i Tunes update 11.4 which I downloaded and started to install.I spoke to Apple and basically because, I think, I was running this on Windows they really didn't want to know and only came up with uninstall and re-install.