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

Fix Windows Security Authentication Error 0x80070035

Fix BitLocker Rate Limit Error via Command Line

If you see a “rate limit” error when using BitLocker, it usually means the system is throttling e...

Fix PowerShell 504 Gateway Timeout After Windows Update

After a recent Windows update, some users see a 504 Gateway Timeout error when running PowerShell...

Microsoft Teams Proxy Server Troubleshooting Checklist

If Microsoft Teams fails to connect, shows a black screen, or keeps signing you out, a misconfigu...

BitLocker Service Unavailable: Troubleshooting Checklist

When you see 'BitLocker service unavailable' or 'The BitLocker service is not available' on Windo...

Outlook 404 Not Found on Shared Mailbox: Fixes & Checks

You try to open a shared mailbox in Outlook and see a 404 Not Found error. This usually means Out...