Runtime Error 8015: Could not set comm state, there may be one or more invalid communications parameters

Legacy KB ID: 3416

Question

When i try to open QuickPOS i get Runtime Error 8015: Could not set comm state, there may be one or more invalid communications parameters.

Answer

Check that you do not have two devices pointing to the same com port.

How did we do?

"Runtime error 339. Component POSTouchKeyboard.ocx ...not correctly registered."

Include a message on a Retail POS Receipt

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