Hi there, @Babi2003.

Thank you for posting here in QuickBooks Community. 

Let's use a private browser to manage your QuickBooks Online account. The browser's cache and cookies can occasionally interfere with the proper operation of websites. Use the following shortcuts to launch a private browser:

• Google Chrome: press Ctrl + Shift + N 
• Mozilla Firefox and Microsoft Edge: press Ctrl + Shift + P
• Safari: press Command + Shift + N

Once signed in, go to the Help icon and click the Contact us button. 

If this works, let's clean your browser's cache and cookies. If not, you can use another browser that is compatible. It's possible that QuickBooks is temporarily having a problem with your current browser. 

if the problem continues. I'd advise getting in touch with our Customer Care Support so they can investigate the cause of your problem. 

If you're interested in learning some advice on how to manage your payroll and employees? Visit the Payroll articles list page to read more about them. 

Keep me posted about this or if there's anything else I can help you with. I'd be happy to offer further assistance. Have a good one.