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

Fix PostgreSQL Password Authentication Failed in pg_hba.conf

When you see psql: FATAL: password authentication failed for user "username", it usu...

Fix Windows Search 502 Bad Gateway Error

If you see a "502 Bad Gateway" error when using Windows Search (e.g., in File Explorer or the Sta...

How to Enable Windows Defender via Command Prompt

If Windows Defender is disabled on your system—often due to group policy, third-party antivirus, ...

How to Fix 'Remote Desktop Command Not Found' Error

Fix Windows Search Path Not Found Environment Variable Error

When Windows Search fails with a 'path not found' error, the environment variable is often the cu...

Chrome Memory Stays High After Closing Tabs: Fixes That Work

You close a dozen tabs in Chrome, but the memory usage stays high—sometimes even after restarting...