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

Windows 10 Activation Troubleshooting Checklist

When Windows 10 shows an activation error, the cause is usually a recent hardware change, a corru...

Set Windows Defender Threat Service to Automatic Startup

If Windows Defender is not running or you see errors like “Threat service has stopped,” the under...

Fix Visual Studio Installer Stuck on Microsoft Visual C++ Redistributable

You start installing Visual Studio, and it gets stuck at 'Installing Microsoft Visual C++ Redistr...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

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

How to Fix Outlook Rate Limit Error When Sending Emails

If you see an error like “You’ve reached the limit for sending email” or “Try again later” when s...

Fix PowerShell Crash with Exit Code 0xc0000005

You launch PowerShell, it starts to load, then crashes immediately with exit code 0xc000000...