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

Fix 'Outlook File Locked by Windows File Sharing' Error

You try to open Outlook and get an error that the PST or OST file is locked by Windows file shari...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix Remote Desktop Permission Denied Without Admin Rights

You try to connect to a remote Windows machine via RDP, but you get an error like "The connection...

Windows Security Firewall Configuration Checklist

If you've ever enabled the Windows Firewall and suddenly lost access to a shared printer or could...

Fix Chrome 'Connection Refused' on Linux Profiles

You launch Google Chrome on Linux, maybe with a specific profile flag, and instead of your browse...

Fix Outlook Token Expired After Password Change

After changing your account password, Outlook may display a 'token expired' or 'credentials neede...