1. Download and install WinRAR.5 s4 i! }. c& N( ~
2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". 2 s3 u# t* U+ G8 l2 n3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". + J2 y- a+ Z5 J& G- h# _4. Done! You can now run iTunes normally