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

Fix PowerShell Service Unavailable Error (Enable or Restart)

If you see 'Service unavailable' when trying to use PowerShell, the PowerShell service might be s...

Fix Docker Volume Permission Denied on Ubuntu

You mount a volume in Docker on Ubuntu, but the container can't write to it. The error often says...

Fix Windows Defender SSL Certificate Sync Errors

You might see a warning that Windows Defender can't update because of an SSL certificate error. T...

Fix Remote Desktop Module Not Found on Windows 10

You try to launch Remote Desktop Connection (mstsc.exe) on Windows 10 and see an error like "Remo...

Fix GitHub Actions Docker Push Permission Denied

MySQL Access Denied: Database User Permission Checklist

When you see ERROR 1045 (28000): Access denied for user 'username'@'hostname' (using passwo...