Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
Open

how to fix "xpinstall.signatures.required" ive turned it off but it keeps blocking the add-on file

ybwr

trying to install an add-on by file and I have turned off the signature thing, I also reinstalled firefox but the same issue keeps happening. it was able to install correctly on the zen browser which I think is built on firefox but idk.

trying to install an add-on by file and I have turned off the signature thing, I also reinstalled firefox but the same issue keeps happening. it was able to install correctly on the zen browser which I think is built on firefox but idk.
Aangehegde skermkiekies

All Replies (1)

This only works in developer builds. (You seem to be running stable release version.)

Vra 'n vraag

You must log in to your account to reply to posts. Please start a new question, if you do not have an account yet.