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

Fix Windows Search Invalid Configuration Registry Error

If Windows Search stops working and you see an error about invalid configuration in the registry,...

Fix Windows Defender High Memory Usage

If you notice Windows Defender (Microsoft Defender Antivirus) consuming a lot of memory—sometimes...

SSH Key Permissions and Ownership: A Troubleshooting Checklist

If you're seeing "Permissions 0644 for 'id_rsa' are too open" or "Bad owner or permissions" when ...

Fix Microsoft Store Not Downloading Apps on Windows 11

You open Microsoft Store on Windows 11, click download, and nothing happens—or the download start...

UFW Allow Port Not Working After Reboot: Fixes That Actually Work

You added a UFW rule to allow a port, it works fine until you reboot, then the port is blocked ag...

Fix Robocopy Error 5: Access Denied in Backup Command