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

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Fix OneDrive Sync Error 0x8004deb4 After Update

If you see error 0x8004deb4 in OneDrive after a recent update, it usually means the app can't aut...

Fix Nginx Config Test Failure After Adding SSL Certificate

You added an SSL certificate to your Nginx server block, ran nginx -t, and got an er...

How to Fix OneDrive 'File Locked' or 'Permission Denied' Errors

When you see "File locked" or "Permission denied" in OneDrive, it usually means another process h...

Cloudflare Origin Certificate Configuration Guide

If your site uses Cloudflare and you want HTTPS between Cloudflare and your origin server, an ori...

How to Fix Microsoft Teams High Memory Usage on Windows 10

You open Task Manager and see Microsoft Teams using 800 MB or more of RAM. Over time, it can clim...