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

Fix Windows Activation Authentication Failed via Command Prompt

If you see 'Windows activation authentication failed' when trying to activate Windows, the issue ...

Fix Windows Search 502 Bad Gateway Error

If you see a "502 Bad Gateway" error when using Windows Search (e.g., in File Explorer or the Sta...

OneDrive Troubleshooting Checklist: Fix Sync & Access Issues

OneDrive stops syncing, files show errors, or the app won't open. This checklist walks through co...

Windows 10 Activation Stuck at 0% Setup: How to Fix

When you try to activate Windows 10, the progress bar may hang at 0% and never move. This usually...

How to Fix PowerShell Error 0x80070002 (File Not Found)

PowerShell error 0x80070002 typically means the system cannot find the file specified. This often...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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