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

Fix PostgreSQL Password Auth Failure After Upgrade

After a PostgreSQL upgrade, you might see errors like "password authentication failed for user" o...

Microsoft Store DNS Error: Troubleshooting Checklist

When Microsoft Store fails to load, shows error code 0x80131500, or displays “Something went wron...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Windows Defender Stuck Loading After Update

After a Windows update, you might open Windows Defender Security Center and see a spinning circle...

How to Fix Microsoft Store Not Opening on Ubuntu

You installed the Microsoft Store on Ubuntu via Wine or a compatibility layer, but it won't open....

Fix Microsoft Store Sign-In Issues on Windows 11

You're trying to sign in to the Microsoft Store on Windows 11, but it either hangs, shows an erro...