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

Windows Defender 404 Not Found Registry Fix

You open Windows Security and see a blank page or a '404 Not Found' error. This often happens aft...

Remote Desktop Authentication Failed: Troubleshooting Checklist

When you see "Authentication failed" while trying to connect to a remote desktop, it usually mean...

Windows Update Cleanup Tool Not Removing Files: Fixes

You run Disk Cleanup, check "Windows Update Cleanup", and it seems to work—but the disk space doe...

Outlook Setup Cannot Connect to Server: Fixes to Try

When you try to set up an email account in Outlook and see "cannot connect to server," the setup ...

Fix PowerShell Startup Script Not Running After Logon

You’ve set up a PowerShell script to run at startup, but after logging in, nothing happens. The s...

Fix Windows Update High CPU Usage with Permission Denied Errors