Software comparisons, alternatives, and tool decision notes.

Fix Windows Defender Real-Time Protection Turning Off Automatically

If Windows Defender's real-time protection keeps turning off automatically, your PC may be vulner...

How to Fix Command Prompt Not Opening in Windows 10

If you click the Command Prompt shortcut and nothing happens, or it flashes and closes, you're no...

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 Remote Desktop File Locked Error 0x80070020

If you get error 0x80070020 when opening or editing a file over Remote Desktop, it usually means ...

Microsoft Teams Crash Troubleshooting Checklist

If Microsoft Teams keeps crashing on you—closing without warning, freezing, or refusing to start—...

Fix Putty Connection Refused Due to Windows Firewall

You're trying to SSH into a remote server using Putty, but you get a 'Connection refused' error. ...