18002402551 fix couldn’t load xpcom in mozilla firefox

How to Fix Couldn’t Load XPCOM in Mozilla Firefox

How do I get “Couldn’t load XPCOM” Error？What caused the problem？ The causes of “Couldn’t load XPCOM” Error is Mozilla releases their updates for Firefox as it gets newer features, sometimes it becomes incompatible to windows due to new features or due to other installed programs. And maybe it is not compatible with your operating system or your computer configuration, even after lots of testing it fails to be compatible with windows and related programs.

Guide to fix “Couldn’t load XPCOM” Error

Method 1: Uninstall Mozilla Firefox completely and then reinstall it back.

Step 1: Check the Program Files folder. Delete C:\Program files\Mozilla Firefox or C:\Program Files (x86)\Mozilla Firefox.

Step 2: Double-click “my computer”, then click “Organize button”. Click folder and search options. Click “View” button. And choose Show hidden files, folders and drives. then click “OK”.

Step 3: Click “Start” button, then click “Control Panel”. Click “Uninstall a program” (on the Programs section), select the suspicious program and uninstall it.

Step 4: Open Registry by Typing in the Run box and Hit Enter Key. Find Firefox file and delete it.

Method 2: Get into Clean Boot State.

Step 1: Press Win+R key and type “msconfig “in the search bar and run it to the System Configuration Utility.

Step 2: Click the General tab, and then click Selective Startup.

Step 3: Click the Services tab. Select the Hide All Microsoft Services check box. Now click Disable all.

Step 4: Click Apply/OK, restart the computer and go to uninstall Firefox.

Contact Support Note: Complete Uninstall means you need to remove everything related to Firefox from your computer. Deleting the wrong registry keys may lead to other errors or complete system failure. Processing manual method is supposed to have a certain level of computer literacy. If you are not sure how to start and are afraid of making any critical mistakes damaging the computer system, please live chat with Mozilla Firefox Support online service now.

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