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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Microsoft Store Service Unavailable: Reinstall App Fix

When you see 'Microsoft Store service unavailable' while trying to open or update an app, it ofte...

Fix Firefox Secure Connection Failed Due to Wrong Time or Date

When Firefox shows a 'Secure Connection Failed' error and mentions the time or date is wrong, it ...

How to Reset Windows Defender Cache in Windows 10

Windows Defender (now Microsoft Defender Antivirus) stores temporary files and definitions in a c...

Fix Windows Defender Sync Error Across Devices

You see a sync error in Windows Security that says something like “Something went wrong. Try to s...

Fix 'UFW Status Shows Port Not Active' Error

You run sudo ufw status and see a rule for a port, but the port isn't actually activ...