1. Download and install WinRAR. 9 ?+ X& [. }, Q" m9 e7 X& t. o2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". # Z; Q8 U2 j: v2 u6 |- O A3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". - i2 z/ R/ s% Q" z8 J4. Done! You can now run iTunes normally