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

How to Fix Network Errors in Command Prompt on Windows 10

Fix Git Clone Permission Denied (publickey) Error

When you run git clone and see Permission denied (publickey), it usuall...

BitLocker File Locked: Fix Group Policy Configuration

When a file is locked by BitLocker on a domain-joined Windows machine, the cause is often a group...

Checklist for Diagnosing Windows Activation 504 Timeout

When Windows activation fails with a 504 timeout, it means the activation server didn't respond i...

Fix 'Service Unavailable' for PowerShell on Windows 10

You open PowerShell on Windows 10 and see an error like "Service Unavailable" or "PowerShell is n...

Windows Restore Point Missing After Update – How to Fix

You updated Windows, and now your System Restore points are gone. This is a known issue after maj...