You can only have one instance of the program running at a time

Issue

When starting any INVOICES modules, a message is displayed indicating "You can only have one instance of the program running at a time."

Cause

Occasionally, Microsoft Windows will not end a process properly and it remains running as a background process. 

Solution

Task Manager can be used to stop the process.

1. Open Task Manager in Windows.
2. Click the Details tab and scroll to the appropriate process (eimngr, eiscan, eiveri, eiitrp, eitran, eiopti) name, highlight the name, then click End Process.

Alternately, the computer can be restarted to close the process.

Level of Complexity 

Moderate

Applies to  

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