Knowledge base for software setup, errors, and daily tool work.

How to Fix Windows Security Certificate Error Not Trusted

You're browsing or running an app and Windows throws a security warning: the certificate is not t...

Fix Chrome Sync Not Working After Windows 10 Update

After a Windows 10 update, Chrome sync may stop working—bookmarks, passwords, and settings won't ...

Fix GitHub Actions Cache Action Permission Denied Error

Fix Windows Terminal Config File Not Saving

You edit your Windows Terminal settings, click Save, and the changes vanish. Or you restart the a...

MongoDB Compass Not Connecting to Mongod Server: Fixes

You open MongoDB Compass, enter your connection string, and get an error. The server is running, ...

Windows Security App Not Opening After Update: Fixes

After a Windows update, the Security app may refuse to open—clicking the icon does nothing, or it...