The Pop ups always show on the alternate monitor when I work with client via screenshare. There is no Changing this unless you use the function of Stretch across both monitors.

Resolution for 'alternate monitor issue: 'Dual Monitor Troubleshooting' available: Yes.

The alternate monitor 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 alternate monitor issue yourself by looking for a resolution described in the article. If it is a complex alternate monitor issue or you are unable to solve the issue, you may contact us by clicking here or by using other alternate monitor support options.

For more information about resolving issues related to alternate monitor in Quickbooks/QBO or to get support for the issue 'Dual Monitor Troubleshooting', click the link below: