Thanks for coming here, wedgie75-hotmail.
If you're having issues opening your QuickBooks Online (QBO) account, we can try performing basic browser troubleshooting. Issues like this can often be caused by some browser-related issue. Start by logging in to your QBO account using an incognito or private browser. Since this doesn't store data in the cache, it is the best place to isolate browser issues.
Kindly use either of the following shortcut keys:
If the above steps don't fix the error, may I know the exact error message? This way I can check if there are other related cases so I can provide a more accurate solution
Also, you can always visit our Manage your account page for reference, to learn some tips and tricks on managing your account.
I'm just a post away if you have other questions or concerns. We're always here to lend a hand. Thanks for posting and I wish you a lovely day ahead.
I appreciate the prompt response,
The error code DF- DFERH-01 is a Google Play store error that can be fixed by updating or clearing your cache.
Once done you can restart your advice. If you still can’t download after you clear the cache & data of the Play Store, restart your device.
You can visit this article to find answers to your other QBO mobile questions: QuickBooks Online Mobile app questions.
Feel free to leave a comment below if you have any other questions about QuickBooks Online. I'll be always around to lend a hand.