1. Download and install WinRAR.- o* C, t; d1 [8 F
2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR"./ U R1 z& E' t. `5 @1 Y
3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair".& o' M: ]+ y! B/ r
4. Done! You can now run iTunes normally