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

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

Fix Cloudflare DNS Not Working on Router Setup

If you've set Cloudflare DNS (1.1.1.1, 1.0.0.1) on your router but devices still can't resolve do...

Remote Desktop Slow Performance: Practical Fixes

When a Remote Desktop session feels sluggish—mouse movements delayed, keystrokes slow to register...

Fix Outlook Calendar Sync Issues on iPhone

If your Outlook calendar events aren't showing up on your iPhone, or changes you make on one devi...

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...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN