1. Download and install WinRAR. 5 @8 }2 h7 j. l3 o, U- J2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". $ e! \- b7 o8 ^3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". 3 t9 _: H5 q& G# |9 x6 F! ?- d: O4. Done! You can now run iTunes normally