WinMerge - Allow only one instance to run

October 2016

If you don't want to allow multiple instances of WinMerge to run at a given time, follow the below procedure:
  • Open WinMerge and click on the Edit menu > Options
  • Go to the General Category and check "Allow only one instance to run".
  • Click on Ok to validate

Related :

This document entitled « WinMerge - Allow only one instance to run » from CCM ( is made available under the Creative Commons license. You can copy, modify copies of this page, under the conditions stipulated by the license, as this note appears clearly.