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

How to Fix Microsoft Teams Screen Sharing Not Working

When you try to share your screen in Microsoft Teams and nothing happens—or participants see a bl...

How to Fix Git Pull Merge Conflicts Without Force Push

You run git pull and see a merge conflict message. Your first instinct might be to f...

Why Command Prompt Stuck on Opening? Fixes to Try

You double-click Command Prompt, the window appears briefly, then vanishes — or it just hangs wit...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Fix Windows Defender Connection Refused via Group Policy

If you see a "connection refused" error when trying to open Windows Defender Security Center or r...

Fix Microsoft Store Error 0x80070005: Access Denied

When you open Microsoft Store and see Error 0x80070005 with the message "Access ...