A healthy hard drive is crucial for a successful installation.
What and CPU model is your gaming PC running? Share public link
: If you own the Complete Edition on Steam, right-click the game in your library, go to Properties > Installed Files , and select Verify integrity of game files . Steam will automatically redownload any corrupted .cab or .exe files. Essential Compatibility & Launch Fixes
If all else fails, you can use an "xliveless" patch – a modified xlive.dll file that completely bypasses GFWL.
Comprehensive Guide to Fixing DiRT 3 Installation Errors: Resolving the Corrupted Media Cab File Issue
Head over to the community-verified PCGamingWiki DiRT 3 Offline Profile Fix page.