Users of Avast Antivirus may find that Mods for GRX program are blocked from running. This is a false-positive as all of our programs are virus free, to correct this issue you can follow the steps in this article, http://www.getavast.net/support/stop-blocking-a-program, until a perment solution is found.
Are programs have been submitted to Avast for review in an attempt to resolve this issue.