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

Fix Nginx 502 Bad Gateway in Docker Containers

You're running an Nginx container in Docker, but instead of your app, you see a 502 Bad Gateway e...

Windows Search Not Showing Results After Update: Fixes

After a Windows update, you might type in the Start menu or taskbar search and see no results—or ...

Command Prompt Dependency Conflict Troubleshooting Checklist

Fix Windows Activation Error 0x80070005 504

You try to activate Windows and see error code 0x80070005 with a trailing 504. This usually means...

Fix WinRAR Checksum Error on Windows 10

If you see a 'Checksum error' or 'CRC failed' message when extracting a RAR or ZIP file in WinRAR...

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...