1. Download and install WinRAR.- k( j6 N# D0 e: m
2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". u* q0 _7 g- v4 w6 |, C4 C, e3 F% X3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". , Y; {* u- Q! s% X# g- L4. Done! You can now run iTunes normally