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

How to Set Command Prompt as Default Terminal in Windows 11

Windows 11 ships with Windows Terminal as the default terminal app. If you prefer the classic Com...

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 Permission Denied: Troubleshooting Checklist

When Outlook shows a "permission denied" error, it usually means the application cannot access a ...

Fix Windows Activation Failed Due to Network Issue

When Windows activation fails with a network-related error, the issue is often a temporary connec...

OneDrive Sync Troubleshooting: Fix Common Issues

OneDrive sync problems usually show up as a stuck status, error icons, or files not updating. Thi...

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...