1. Download and install WinRAR.1 E5 l+ `6 b% M# R
2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". * d+ b3 n' d1 s. }. M" a3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". * W" H, D% r1 e! |+ N/ Z$ x4. Done! You can now run iTunes normally