QB Issue Resolution:

Not sure what the disc created with windows part has to do with it but if your company file is on the Windows formatted disk you should move it to your Mac formatted disk. QuickBooks Mac can’t work with an MS-DOS formatted disk.

Resolution for Issue 'I tried to run a disc on a mac that was created with windows. Now I get a no company open window that I cannot close and it wont let me access my current quickbooks data. How do I close that window and get back to my current invoicing' available: Yes (Solved).
Source: Intuit Community forum.

I tried to run a disc on a mac that was created with windows. Now I get a no company open window that I cannot close and it wont let me access my current quickbooks data. How do I close that window and get back to my current invoicing: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Invoice
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for Invoice [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: