Error 41 has a lot of causes, the majority are from people attempting to launch the game on DX10 hardware, having corrupted game files or <3GB of space on their windows drive.
This thread is for players suffering from this error message to find solutions, report and discuss the error 41.
Please make sure your System Requirements meet the minimum spec too. OS: Windows 7 or Windows 8 Processor: AMD Athlon x2 Dual Core or Intel Core 2 Duo Processor @ 2.4Ghz Memory: 4 GB RAM Graphics: AMD HD5450 or Nvidia GT430 or Intel HD4000 with 1GB of VRAM (DirectX 11 graphics card required) Hard Drive: 35 GB available space Sound Card: DirectX Compatible soundcard
Solutions Previously Reported
Have a least 3GB of free space on your C: Drive or Windows location Drive
Trying to launch the game with computers that don't meet the minimum system requirements e.g. not having have a DirectX 11 capable GPU.
Verifying the Integrity of the game cache by:
Right Click on DiRT Rally in Steam's Library > Properties > Local Files > Verify Integrity of Game Cache
Being given Administrator rights for users Windows account or starting game as Admin:
Right Click on Dirt Rally's shortcut and select "Run as administrator"
Installing the latest graphics driver for your graphics card
Using "Display Driver Uninstaller DDU" to remove old graphic driver bits that get left over in Windows
Removing a corrupt game save:
Right click on DiRT Rally in Steam Library > Properties > Updates > Untick the Steam cloud check box at the bottom then exit Steam.
Locate your Steam folder and select userdata > your steamID folder > 310560 > remote > backup any files in this folder then remove them so its empty then launch game
Uninstalling the game, deleting the Dirt Rally folder in Steam/steamapps/common and reinstalliing the game
Unplugging controllers e.g. Steering wheel
Not using a Ramdisk for temp files
Unactivate real time AntiVirus protection / Peerblock
Closing Logitech Profiler / Gaming Software
Disconnect Microsoft SideWinder mice
Exiting the AMD Gaming Evolved application.
Uninstalling the Oculus SDK
Running out of RAM can cause error 41. e.g. using 8GB RAM and a disabled swap file. If launching the game with many programs open in the background, like Chrome with 20 tabs then DiRT Rally reports error 41.
Please post in this thread to let us know if these solutions have worked for you.