why quickbooks desktop app never loading

The particular scenario does not work on physical computers (PC) either (not only in your Windows virtual machine).Most likely the issue is not Parallels Desktop related if:

There is a functionality issue that affects only the particular third-party program (mouse does not work, graphic issue).The issue is reproducible on all virtual machines you have and you were able to reproduce it in your test environment.How to know whether the issue is Parallels Desktop related or not? Most likely a third party software issue is Parallels Desktop related if: If you have some problems with this third-party software it is reasonable to contact this particular third party software vendor and dedicated Technical Support first. It means all the third party software you install inside your virtual machine is supposed to operate the same way as on a real PC. This operating system would operate in most cases the same way as if it had been installed on a regular PC.

Parallels Desktop allows installing an operating system (e.g.

Some its functionality does not work as expected.

Quickbooks, AutoCad etc.) on your Windows virtual machine and you experience some issues using it: You installed a third-party software (e.g.

Why quickbooks desktop app never loading