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

Windows Security 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 Bad Gateway error when opening Windows Security, it usually means the app can't ...

Task Scheduler Backup Restore Checklist: 7-Step Guide

If your scheduled tasks stop running or disappear after a system change, you likely need to resto...

BitLocker Blank Screen on External Drive: Fix and Recovery Steps

You connect an external drive that was encrypted with BitLocker, and instead of the usual unlock ...

How to Fix Cloudflare Error 525: SSL Handshake Failed

When you see Cloudflare error 525, it means the SSL handshake between Cloudflare and your origin ...

Windows Defender Real-Time Protection Off but Still Scanning: Fix

You turn off real-time protection in Windows Defender, but scans still run. This can be confusing...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...