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

Fix BitLocker 'Cannot Access Drive Permission Denied' Error

Understanding the Error

You see 'Cannot access drive. Permission denied' when trying to o...

Fix Windows Update Error Due to Port 80 Already in Use

Windows Update may fail with error 0x8024402c or similar when another application is already usin...

Fix Windows Security Service Not Running Error

You open Windows Security and see a red banner: “Windows Security service is not running.” Or you...

BitLocker Setup: Fixing 502 Bad Gateway Errors

You're trying to set up BitLocker on a Windows machine, but the management console or recovery ke...

Fix Windows Security Service Disabled by Group Policy

If you see "Windows Security service is disabled by group policy" or find that Windows Security i...

How to Fix Windows Update Stuck on Checking for Updates

If your Windows Update has been stuck on 'Checking for updates' for more than 15 minutes, you're ...