I appreciate the efforts you exerted to reset your QuickBooks Desktop password, @Harry25.

Let's get rid of the error so you can reset your password successfully.

To get started, let's run Quick Fix my Program from the QuickBooks Tool Hub. It helps fix the common errors in your QuickBooks Desktop. Here's how:

1. Close your QuickBooks Desktop.
2. Download the most recent version (1.5.0.0) of the QuickBooks Tool Hub. 
3. Install the downloaded file, then open it.
4. In the QuickBooks Tool Hub, select Program Problems.
5. Select Quick Fix my Program.
6. Open QuickBooks Desktop and reset your password.

If you get the same error, restart the server that stores and hosts the company data file.

If the issue persists, you can check out this article for more troubleshooting steps: Error: The attempt to log in with the user name Admin failed.

You might also want to manage your Intuit account, products, billing, and user ID access using CAMPs. This article will provide you with the detailed steps and information: Change, manage or update your Intuit account with CAMPs.

Let me know how it goes, @Harry25. I want to make sure this issue is taken care of. Thanks for dropping by!