You will need to close Batch Processing from the background.
Open Task Manager.
Locate aABatchprocessing.
Right click and End task.
If the error continues, reboot your workstation.
Tax Manager and Elite Forms: Error: This action cannot be completed because the other application is busy' opening Batch Processing
.aACentral: This action cannot be completed because the other application is busy. Choose 'Switch To' to activate the busy application and correct the problem.Switch To... / Retry.