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

How to Fix Windows Security Error 0x80070422

You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

How to Fix Windows Activation Error 0xc004f074

You try to activate Windows and see error 0xc004f074. This usually means the activation server co...

Windows 10 Activation Stuck at 0% Setup: How to Fix

When you try to activate Windows 10, the progress bar may hang at 0% and never move. This usually...

How to Fix Windows Security Rate Limit Error

You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...

Outlook Backup Restore Checklist for Complete Recovery

You’ve lost emails, calendar items, or contacts after an Outlook crash or migration. A proper bac...