1. Download and install WinRAR. , d$ v, b5 w! w& ]2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR".4 h5 y$ x0 c! F a% K
3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". D0 {& G+ N( G" |& }5 p' v$ M" z4. Done! You can now run iTunes normally