I'm here to help and ensure you can manage your business seamlessly, @AlarmCompany.
QuickBooks Online (QBO) works well with Google Chrome, Microsoft Edge, Mozilla Firefox, and Safari (11 or newer) browsers.
To steer away from potential issues, please make sure you meet the minimum system requirements and a stable internet connection. This way, we can ensure QBO runs smoothly on your computer.
If this is not the case, I recommend clearing your browser's cache to isolate this. Cache and cookies help load web pages faster the next time you visit the site. However, too much of it can lead to some performance issues.
Furthermore, you can utilize this link for further guidance: System requirements for QuickBooks Online, Accountant, Payroll, and QuickBooks Self-Employed.
Once you're all set, feel free to check out this article for reference. This contains details on how to efficiently navigate your ways around QBO : Video tutorials for QuickBooks Online.
If there's anything else I can help you with about your QBO account, you can always tag me in your reply. Our door is always open to help you. Keep safe and have a good one!