1. Download and install WinRAR. 9 {9 O' ]. F& Z" `1 D# w8 W2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". + j. E* O- {: Y# ?/ I' [3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair".1 C( W/ G) [0 U) p/ l, Q$ P
4. Done! You can now run iTunes normally