Hi, @aapkrijger.
I appreciate your for sharing some details you've done to resolve this issue.
I would highly suggest you to reach out our Support team. That way, they'll be able check why you're experiencing this issue. Here's how to contact them.
- Click on Help and select QuickBooks Desktop Help.
- Select Contact Us at the bottom.
- Enter a summary of the scenario and click Let's talk.
- Click on Message an Agent.
You can also see this article for more details and ensure to check their support hours to know when agents are available: Contact QuickBooks Desktop support.
I'm also adding this article where you can get additional information on how to let the program works well: Resolve QuickBooks Desktop performance issues - Manage your computers.
In keeping with this, I'm adding this article to further guide you in managing your business growth and transactions using QBDT: QuickBooks Help Articles. It includes topics about account management, banking, and expenses, to name a few. You can also explore video tutorials to learn your way around QuickBooks.
Don't hesitate to drop a comment below if you have any other questions or concerns with QuickBooks. I'd be glad to answer them for you.
