1. Download and install WinRAR.4 N6 o& d. n3 q& C* h: n- j& ^, D
2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". / ?/ k3 i ~+ g; k! V3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair".9 F& j# y& }' T5 B: a; _
4. Done! You can now run iTunes normally