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

Fix PowerShell Authentication Failed to Remote Server

When you see 'Authentication failed' in PowerShell while trying to connect to a remote server, it...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Fix Windows Activation Blocked by Firewall

If Windows activation fails with an error about a blocked firewall, your PC likely can't reach Mi...

How to Fix Windows Security Backup Not Working

Windows Security backup (part of Windows Backup or File History) may stop working for several rea...

Fix Microsoft Store Connection Timeout Error

When you see a connection timeout error in Microsoft Store, it usually means the app can't reach ...

Fix SSH Host Key Verification Failed in Ansible

When running Ansible playbooks or ad-hoc commands, you might see the error Host key verific...