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

Fix Windows Update 502 Bad Gateway Related to Proxy Settings

If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...

Fix Windows Defender Rate Limit Error & Permission Denied

When Windows Defender throws a "rate limit error" or "permission denied" message, it typically ha...

Fix PowerShell 504 Gateway Timeout in IIS Configuration

When running PowerShell scripts that make HTTP requests through IIS, you may encounter a 504 Gate...

Step-by-Step Guide to Set Up BitLocker Backup to an External Drive

If you've enabled BitLocker on your Windows PC, you know how important it is to keep your recover...

Fix PowerShell Authentication Failed Credentials Error

Fix 'java' Not Recognized in Command Prompt on Windows

When you type java -version or javac in Command Prompt and get 'jav...