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

How to Fix MySQL Access Denied for Remote Connection Setup

If you're seeing 'Access denied for user' when trying to connect to a MySQL server remotely, it's...

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...

How to Install SSL Certificate on Windows Server 2019

You have an SSL certificate file (usually .pfx or .cer) and need to install it on Windows Server ...

Fix BitLocker 504 Error After System Update

After a Windows update, you may see a BitLocker error 504 on boot: "An error occurred while readi...

Fix OneDrive Sync Error 0x8004de40: Service Unavailable

When OneDrive shows error 0x8004de40 with the message “Sync service unavailable,” it usually mean...

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" ...