Error message index

Game versions: RS_Rune_final.png App_Icon-Circle.png



Known error messages on Windows




"The setup files are corrupted. Please obtain a new copy of the program"

Download the client with a different browser.

"A heap has been corrupted"

  1. Restart your computer
  2. Download the client with a different browser.
  3. Right click on the download button and click 'Save Link As' and save the installer to your desktop and run it from there.


"Error Code c0000409"

"Error Code c0000374"



We're working on a fix. In the mean time:

  • Avoid busy areas
  • Turn on compatibility mode


 "Error Code c00000005"

 Update your graphics driver


The problem is likely caused by corrupted files in your Jagex Cache. Try clearing your cache files.

"Unable to load parameter" 

The shortcut you use to launch the game is having a problem. 

  1. Right click shortcut
  2. Properties
  3. Target
  4. Edit target parameter to match:
C:\Users\<user_name>\jagexcache\jagexlauncher\bin\JagexLauncher.exe runescape



Known error messages on Mac 



"The game cannot be opened"

1. Open the Terminal on Mac OS, Applications > Utilities > "Terminal"

2. Enter:  

     xattr -r -d /Applications/

You can also try running the downloaded executable directly, or running it from the .dmg file.



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