1. Download and install WinRAR. & G/ r. g3 v) r0 c/ e( M A6 W2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". 0 u2 A6 b- T7 X8 _ r/ S0 X3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". , e! Q' q/ j; J8 ~4. Done! You can now run iTunes normally