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

Fix Chrome Authentication Failed on Windows 10

If Chrome keeps showing 'Authentication failed' when you try to sign in or sync on Windows 10, th...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix Windows Security Virus Protection Disabled Error

If Windows Security shows that virus & threat protection is disabled or turned off, you may see a...

Fix Windows Defender Antivirus Permission Denied Error

You try to start Windows Defender Antivirus and get a “permission denied” error. This typically h...

Fix Microsoft Teams Offline Installer Error 0x80070005

When you run the Microsoft Teams offline installer, error 0x80070005 typically appears as 'Access...

Fix Microsoft Teams Sign-In Failures Due to Network Issues

You try to sign in to Microsoft Teams, but it fails with a generic network error. This is often d...