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Drive letter changed (Forums : Tech Support : Drive letter changed) Locked
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Oct 9 2012 Anchor

(Windows 7 64-bit)

If you have changed the drive letter (eg. D:\ drive to X:\ drive) of one of your hard drives, then how does one update the change for games and mods on Desura? Steam games still seem to function properly but not some of their mods. I get a "Failed to launch item. File is not valid exe" error followed by the old, incorrect directory path.

  • Verifying files do not help.
  • The properties screen do not allow the target directory to be changed.
  • Scanning for games on my pc does not resolve the problem.

I would prefer not to delete and re-download the mod.

-Thanks in advance


Henley, I could not find a "common" folder in my Desura directory, assuming my Desura directory is along the lines of C:\Program Files (x86)\Desura. There was a "cache" folder which I backed up, but deleting everything except the folder and Desura.exe and then updating Desura did not solve the problem.


My solution was to do the following:

  • Uninstall the mod, but untick the "Remove ..." boxes.
  • Install it again, and select "Verify existing files"
  • Receive an error, but ignore it.
  • Once the downloading window is at 100% but unresponsive, close it.
  • Restart Desura

After these steps, the mod worked.

Edited by: D14G0

Oct 9 2012 Anchor

I'd assume you could just delete and reinstall Steam/Desura, don't touch the games/mods installed. I assume this because you can copy/paste your steam games folder in to a new install and it shows up.


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Ambient_Malice More passion than good sense.
Oct 9 2012 Anchor

For Steam, you need to copy the SteamApps folder out of steam, install new copy of steam under new drive letter, then copy steamapps folder into new copy of steam. Then just 'install' your games via steam (as in, download them.) Steam will then recognise the files already in the steamapps folder, verify them, then accept the games as already installed.

Henley the sun never sets on the eternally cool
Oct 10 2012 Anchor

Just remove all the files in the Desura directory aside from the common folder and the Desura exe and it will handle itself.


Oct 10 2012 Anchor

Bump (Solution posted)

Henley the sun never sets on the eternally cool
Oct 10 2012 Anchor

The common folder is where our purchased games go, I only stated it so you wouldn't need to download the games again. Mods would be a little different. You basically need to have desura refind the steam install.


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