if Intuit Phoebe’s solution doesn’t help, you might want to try this:
b2solveit recently posted this:
I called QuickBooks and they confirmed the IE 11 update that came out last week conflicts with QB Online. They are working on it. The temp workaround they gave me was to log in and when […]
Resolution for 'bottom window issue: 'I can not get sign in.' available: Yes.
The bottom window issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the bottom window issue yourself by looking for a resolution described in the article. If it is a complex bottom window issue or you are unable to solve the issue, you may contact us by clicking here or by using other bottom window support options.
For more information about resolving issues related to bottom window in Quickbooks/QBO or to get support for the issue 'I can not get sign in.', click the link below: