Browser Support • Re: "Couldn't load XPCOM" - Browser is completely bricked.

Open Windows Security → Virus & threat protection Scroll to Virus & threat protection settings → click Manage settings Scroll to Exclusions → click Add or remove exclusions Click + Add an exclusion → choose Folder Browse to the folder and confirm

OR use this tool:

https://www.sordum.org/10636/defender-e ... tool-v1-4/

BTW I did not notice a message from WDefender that it had done anything.

Isn't it great? Does all the work for you - no need to know anything.