GreaseMonkey Script Install Error

Posted: Friday, August 13, 2010 by El Guru in Add-ons, Blogs, Firefox, Fx 1.5, Fx 2.0, Fx 3.0, Fx 3.5, Fx 3.6, Fx 3.7, Fx 4.0, Mozilla News, Tips & Tweaks

Recently a forum member over at Go Firefox! was getting the below error whenever they tried to install a GreaseMonkey Script. They recently reinstalled Firefox with a fresh profile. They could install GreaseMonkey without issue but any time they tried to load up a script they got this ugly error:

Now, I know I had seen that error before but still took some searching to find the solution. Turns out this is caused by either a missing or damaged GreaseMonkey folder inside the profile folder. The fix is fairly simple and should only take a couple minutes:

  1. Locate Firefox Profile Folder.
  2. Check to see if there is sub folder called gm_scripts chances are it won’t be there. If it is missing go ahead and create it. In Windows Explorer go to File >> New >> Folder.  This will create a folder called New Folder, rename this to gm_scripts. Continue to next step
  3. Check this folder to see if there is a config.xml file. If not, in Windows Explorer go to File >> New >> Text Document. This will create a 0 KB text file called New Text Document.txt , rename this to config.xml

Note: If you have not previously installed any GreaseMonkey scripts and the gm_scripts folder is present with files and folders inside of it, delete the contents inside the gm_scripts folder and then recreate the config.xml file as described in step 3.

  1. Apfelgluck says:

    I copied it down, sort of info which comes in handy the day you need it. I’m not desperate, only provident.

  2. Anonymous says:

    I’m glad i found your website about “GreaseMonkey Script Install Error”
    I had an error when install the greasemonkey but know after did your tutorial, everything is okay! Thanks !

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