We don't want you to feel this way, Enpmedic. Your efforts to resolve the problem by reinstalling the app and clearing your browser's cache are greatly appreciated. To ensure this matter is resolved effectively, I'll connect you with our live support team. They can explore additional solutions and help get things running smoothly again for you.
 
Here are the steps to contact our live support team:
 
- Sign in to your QuickBooks Online company.
- Going to Help (?).
- Select Contact Us.
- Enter your concern, then select Let's Talk.
- Choose a way to connect with us: Start a chat, Get a callback. 
Kindly note that our support is available from Monday to Friday up to 6 p.m. PT and on Saturdays from 6 a.m. to 3 p.m. PT.
 
Once you have access to your account, I recommend checking out the article Getting Started in QuickBooks Online. It's designed to help you operate your business more effectively.
 
After you successfully link your bank account, you can check this article to learn how to categorize transactions uploaded to QuickBooks Online: Categorize online bank transactions in QuickBooks Online.
 
 Thank you for your understanding and cooperation, Enpmedic. Should you have any more questions about your account software, don't hesitate to add them in the comments. We're always here to help.