2

I have a problem getting the Portal 2 Authoring tools to run.

Since I didn't have any storage space on drive C I moved the game (Portal2) to drive F and re installed Portal2 Auth. tools. The game works fine, but when I try to start Auth tools it says :

    Setup file  gameinfo.txt dosent exists on subdirectory 
    C:/Steam/steamapps/common/Portal 2/portal2  
check your game parameter or VCONFIG Setting

But the game isn't in drive C! What can I do?

I already did:

  • Unistall Auth tools

  • Remove the Auth tools .acf

  • Remove Auth tools downloading file

  • Reinstall Auth tools

None of it worked

3

The fix for me was to go to F:\SteamLibrary\steamapps\common\Portal 2\bin and modify the file GameConfig.txt

It contains something like "GameDir" "C:\SteamLibrary\steamapps\common\Portal 2\portal2"

Change C:\<Old Drive> to F:\<New Drive>. Also do same thing for "BSP" "Vis" ... and any other Data that defines a path.

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