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

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Windows Activation Backup and Restore Configuration Guide

If you're planning a hardware upgrade, reinstalling Windows, or just want to avoid activation hea...

Fix Microsoft Teams High CPU Usage After Update

After a recent update, you may notice Microsoft Teams using 50-80% of your CPU, making your syste...

Fix 'Permission Denied' and 'Windows Update Module Not Found' Errors

You try to run Windows Update, but you get a "permission denied" error or a message that the upda...

Windows Defender Slow Performance Checklist

If your system feels sluggish and Windows Defender is likely the culprit, this checklist walks th...

Fix Chrome Proxy Authentication Failed Errors

When Chrome shows 'proxy authentication failed' or 'ERR_PROXY_AUTHENTICATION_FAILED', it usually ...