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

Fix Windows Search 504 Gateway Timeout After Update

After a Windows update, some users see a 504 gateway timeout when using Windows Search. This usua...

Windows Update 502 Bad Gateway: Step-by-Step Fix

When you run Windows Update and see a 502 Bad Gateway error, it usually means th...

Fix Microsoft Store After Changing Network

If you recently changed your network—switched Wi-Fi, moved to a new ISP, or updated router settin...

BitLocker High CPU Usage Checklist: Diagnose and Fix

If your system is sluggish and Task Manager shows high CPU usage from BitLocker or its helper pro...

How to Fix WinRAR Checksum Error and Repair Corrupted Files

You download a large RAR archive, double-click to extract, and get a "Checksum error" or "CRC fai...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...