1. Download and install WinRAR. 7 q5 Y7 J# L4 H; }2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". 0 X/ P) \" H) v- ]8 M0 R F3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". 9 t. F" O9 X6 e! J0 ]4. Done! You can now run iTunes normally