Major QM barcode computer glitched

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The dialog box for the QM barcode computer is seriously screwy right now - once I open it up, I'm unable to do anything else as it blocks all input by repeatedly stealing focus over and over while blinking constantly. If I try to close it, it instantly reopens and starts blinking between two different spots on the screen, refusing to accept any input besides attempting to close it, which just causes it to blink between two other positions, still constantly stealing input and preventing me from doing anything at all. The only way to get rid of it is to close the server window and then rejoin the server.

This only happens with the barcode machine in QM, which lists the traders - other barcode machines work fine, but that means that the QM is currently unable to sell to the traders and has to head all the way to the airbridge to send things along the belt.