QuickBooks Online – How to troubleshoot common issues with QuickBooks Windows App
1) Example: get a white screen after signing in
Refresh the App’s cache by going to the File menu (top left) and choosing “Refresh” or Ctrl+R. You can also try “Reset App Data” from the Help menu.
2) Example: unable to open the App.
Reset the App by holding down the Shift key while opening the program. Continue to hold down the key until the program opens up.
3) Example: 1 and 2 above does not work
Uninstall and reinstall the App from this link.
Download: https://quickbooks.intuit.com/apps/
Tutorial Video:
QuickBooks Online – How to troubleshoot common issues with QuickBooks Windows App