It has been a bit glitchy since all the new changes. Try clearing your cookies and logging into your browser again or using a private window. Sometimes I even resort to changing browsers.
Resolution for 'changing browsers issue: 'your site is not working cant save anything or move forward' available: Yes.
The changing browsers 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 changing browsers issue yourself by looking for a resolution described in the article. If it is a complex changing browsers issue or you are unable to solve the issue, you may contact us by clicking here or by using other changing browsers support options.
For more information about resolving issues related to changing browsers in Quickbooks/QBO or to get support for the issue 'your site is not working cant save anything or move forward', click the link below: