1. Download and install WinRAR. * {# c# K/ ?+ r1 M. Z/ I* p6 R; s2. Right-click the iTunesSetup.exe icon and choose "Open with WinRAR". ' o% N8 e# X7 b7 ~8 ?/ M3. Once the EXE is opened in WinRAR, double-click AppleApplicationSupport.msi and when the installer window is open choose "Repair". 5 q5 G6 f+ ^+ v2 U5 P* o* E4. Done! You can now run iTunes normally