I can help you with resolving the error you're having to open your QuickBooks Online account, @bosel-72.
First, make sure that your computer and browser meet the recommended operating systems and internet speeds. To check the minimum systems, internet speeds, and browsers that are supported on both web and mobile devices, check out this article: System requirements for QuickBooks Online.
After making sure that you meet all those requirements, try clearing your browser's cache. Your regular browser's cache stores temporary internet files from your browsing history. However, as it collects too many files, this may cause performance issues in your account.
I've got some steps to help fix this issue. First, you'll have to sign in to your QBO account using a private browser. This helps isolate the issue since it doesn’t store data in the cache. Here are the following keyboard shortcuts:
- Safari: Command + Shift + N
- Mozilla Firefox: CTRL + Shift + P
- Google Chrome: CTRL + Shift + N
- Microsoft Edge: CTRL + Shift + P
If it works, here's how to clear cache and cookies to fix issues when using QuickBooks Online. Restart your browser right after.
If you're still having trouble logging in to your account after trying those steps, you can add QuickBooks as a trusted site, and restart your computer and internet modem. You can check out this article for detailed guidance: Fix common sign-in errors in QuickBooks Online.
Here's more information on how to recover your QuickBooks Online account.
Let me know in the Reply section if you need further help opening your QuickBooks Online (QBO) account. I'm always here to assist. Have a wonderful day!
