Windows 10: How to stop my COM port from failing?

Discus and support How to stop my COM port from failing? in Windows 10 Gaming to solve the problem; I'm working on an application to upgrade the firmware on a microprocessor. The upgrade happens over a COM port connection, and the discovery,... Discussion in 'Windows 10 Gaming' started by Ben White, Jan 23, 2023.

  1. BEN WHITE
    Ben White Win User

    How to stop my COM port from failing?


    I'm working on an application to upgrade the firmware on a microprocessor. The upgrade happens over a COM port connection, and the discovery, communication, and releasing of the port all more or less works. The issue I have is that occasionally, after the upgrade, my application is unable to open the COM port for exactly 5 minutes. Ordinarily I'd assume COM being weird, but I've seen this 5 minute delay multiple times on two host computers, and the fact that the delay is 5 minutes exactly waggles its eyebrows suggestively towards this being an esoteric Windows feature. I don't have an exact er

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    Ben White, Jan 23, 2023
    #1
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How to stop my COM port from failing?

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