Error upgrading QB 2014 Company file to Desktop Pro 2020

Good Evening, @flya750. 

I can help by pointing you in the right direction about how to upgrade your company file without any error messages standing in the way. To fix this problem, you'll need to reset the admin password on the 2014 version first and then try to upgrade it afterward. Here's how: 

1. Open QuickBooks. 
2. Go to the Company menu. 
3. Hover over Set up users and passwords. 
4. Select Change your password. 
5. Make sure Admin is already in the "User Name" box and then type in the new password. 
6. Press Confirm to save the new password. 

It's that easy. Learn more about admin and user passwords through this link. This is an additional link that can help you with your upgrade.

I'm only a comment away if you have any more questions. Happy Friday Eve!

I tried changing the password first and it didn't work.

I even used the password reset tool.

So I've tried changing the password first?

The upgrade process says its running, it does a backup and then does the upgrade.. and says FINSIHED!

Once you click on FINISHED, it crashes and says failed to upgrade credentials...

I get errors like this in the Windows Event log

An unexpected error has occured in "QuickBooks Desktop Pro 2020":
Connection Error:Invalid user ID or password

aHello @flya750,

I'd like to route you to the right support in getting this error fixed. You can contact our data services team. Let me guide you on how to reach out.

1. In your QuickBooks, go to Help then QuickBooks Desktop Help.
2. Scroll down towards the bottom and click Contact Us.
3. Enter a brief description of the error, then Continue.
4. Choose Talk to a Specialist.

Our data services team can help you use the Auto Data Recovery to fix your company file.

You can also check these handy articles for your reference.

• Find QBWin.log or QuickBooks.log files.

• Fix QBWin.log errors.

Stay in touch if you need help with anything else. It's a pleasure to help you. Thanks for dropping by and have a great day.

@flya750 

Try running the verify and rebuild tool. If the error still persists, call and ask Intuit Data Service to fix it as mentioned by ShiellaGraceA. Should you need to resolve it in due course, consider purchasing a 3rd party file recovery service.