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

How to Fix Corrupted Command Prompt Settings

When Command Prompt settings become corrupted, you may see unusual colors, missing text, incorrec...

7-Zip 'Cannot Open as Archive' Error Fix

You try to open a file with 7-Zip and get the error: “Cannot open the file as archive”. ...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Fix Microsoft Store Port Error After Reinstall

If you uninstalled and reinstalled the Microsoft Store and now see a port error (e.g., 'Port alre...

Windows Defender 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

How to Free Up a Port in Command Prompt (Windows)

When an application fails to start because a port is already in use, you need to free that port. ...