Hello there, info-getreve-com.
I can help you with any general questions you have about our system. Just leave a reply below and I'll surely help you through it. Also, you can add the specific error or unusual behavior you get when going to a certain section of QuickBooks. Meanwhile, we can perform a few browser troubleshooting steps to get rid of these kinds of issues.
Try logging in to QuickBooks Online using a private browser and access a page or create a transaction. If you're able to do it as expected, you can switch back to the main browser and clear the cache. You can also isolate browser-related issues by using other browsers.
In addition, you'll want to visit our QuickBooks Help page. From there, you'll see articles that may help you in managing your business. To ensure that you'll be assisted immediately, you can check out our support hours.
Let me know if you have other questions. Take care!