I tried your instructions for intergating in FireFox, but it still does not work.

Maybe IDM add-on for FireFox has a conflict with some other add-on(s).

Please use "Tools→Add-ons" FireFox main menu item.

Open Add-ons FireFox dialog

Then click on "Extensions" tab (arrow 1 on the image) and disable all add-ons but "IDM CC" (Internet Download Manager integration module for Mozilla). To do this select each add-on and press "Disable" button (arrow 2 on the image).

Disable all other FireFox add-ons

If our add-on will start working, enable other add-ons one by one to detect which one is causing the conflict. If you find such add-on, please tell it to us.

If this also does not help, please try to do the followinng:

  1. Uninstall FireFox (including all personal settings by deleting the Mozilla FireFox folder on the drive, "C:\Program Files\Mozilla FireFox\" by default). Please note that this will lead to loosing all your personal settings, favorites etc. You may want to save them before doing this.
  2. Uninstall IDM.
  3. Restart the computer.
  4. Redownload and reinstall the latest version of FireFox.
  5. Redownload and reinstall the latest version of IDM.