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

Fix Outlook 502 Bad Gateway Error After Update

After a recent Outlook update, you might see a '502 Bad Gateway' error when trying to send or rec...

How to Fix BitLocker Recovery Key Not Working

You enter the 48-digit recovery key, but Windows still won't unlock the drive. This can happen af...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Fix Windows Defender Update Error 0x80070005

You see error 0x80070005 when trying to update Windows Defender. This usually means a permission ...

Fix Windows Search Not Working After System Restore

After a system restore, Windows Search may stop returning results or fail to open at all. This us...

How to Clear Cache Using Command Prompt in Windows 11

If Windows 11 feels sluggish or apps behave oddly, clearing cached files can help. The Command Pr...