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

How to Unlock a File Locked by Task Scheduler

You try to edit, move, or delete a file and get an error like “The action can’t be completed beca...

Fix Windows Security Proxy Error from Antivirus Conflicts

You open Windows Security and see a proxy error, or your system reports that Windows Security can...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Outlook Authentication Failed: Office 365 Admin Fixes

When Outlook repeatedly prompts for credentials or displays 'authentication failed', the issue of...

How to Set Up Windows Terminal with Custom DNS

If you're using Windows Terminal and want to use custom DNS servers (like Cloudflare's 1.1.1.1 or...

Windows Update Troubleshooting Checklist

Windows Update can fail for many reasons. This checklist walks you through the most common fixes,...