Certificate File cert8.db for Firefox Is Deleted


What should I do, I deleted cert8.db for Firefox by a mistake on my computer?

✍: FYIcenter.com


You don't need to do anything.

If you start Firefox again, it will create a new copy of the certificate file, cert8.db, by itself!

In fact, it is recommended that you delete the cert8.db file to resolve certificate file corruption problem.

On Windows 7, your certificate file is located at:



Managing Certificates in Mozilla Firefox

⇒⇒Firefox Certificates Tutorials

2012-07-31, 4972👍, 0💬