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

How to Run Windows Defender Offline Scan to Remove Stubborn Malware

If your PC is acting sluggish, showing pop-ups, or Windows Defender keeps finding threats it can'...

Fix Windows Defender Invalid Configuration Error 0x800705b4

When you see error 0x800705b4 in Windows Defender, it usually appears during an update or scan at...

WinSCP Permission Denied: Practical Troubleshooting Checklist

If you're seeing 'permission denied' when trying to upload, download, or edit files via WinSCP, i...

Fix Windows Activation Login Loop Stuck on Sign-In Screen

You've just installed or upgraded Windows, and after the first reboot, you're stuck at the sign-i...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Outlook Authentication Failed: Checklist to Verify Credentials