I started looking into the issue and soon identified the following events in Event Viewer -> Windows Logs -> System:ĭescription: A problem has occurred with one or more user-mode drivers and the hosting process has been terminated. After a while, it would once again disconnect. By unplugging and then plugging the scanner back in, it would start working again.
While the scanner could be activated by our applicationĪnd we could scan barcodes like before, the scanner would occasionally disconnect from USB (LED turned off, scanner not usable).
When we updated from Windows 7 to Windows 10, the scanner was still identified correctly by the system, but we started noticing issues in our application. It's a simple and clean implementation that has worked perfectly for Windows 7. NET's FileStream.BeginRead()) and report data events When we want to read data from the SG20T, we simply open the scanner's HID device path as a file (WINAPI CreateFile()), read any received data (via.
I will include some code below, but let me first describe what we do and the problem we're NET 1.12 and implements a simple HID reader class to read data from the device. We have configured all our scanners to work in USB POS HID mode. The particular scanner we use (this is not critical to the issue) is the Intermec SG20T. We have a custom built Windows Forms application for handling everything related to the site. For those of you who may have come here because you have this issue: this post does includeįirst of all, the background: I work with developing and maintaining a CMS for an online retailer. This will be a pretty lengthy report, but I'm trying to include all details needed. I've come to a point where it's time to report this issue to the outside world. This issue has cost me about one week's work and I believe Unlocks new features and configuration options in your devices, especially with video cards and gaming devices.I believe I have found a serious bug with the hidscanner.dll driver that Windows 10 automatically uses for barcode scanners that are POS HID compatible. If your desktop or laptop is running slow, or keeps crashing or hanging, there is a good chance that updating your drivers will fix the problem.Įnsures your hardware runs at peak performance.įixes bugs so your system will have fewer crashes. Many computer problems are caused by missing or outdated device drivers, especially in Windows 11.
Next, update individual drivers or all of the necessary drivers with one click. When the scan is complete, the driver update utility will display a results page showing which drivers are missing or out-of-date: Once you download and run the utility, it will scan for out-of-date or missing drivers: It will Update all of your drivers in just a few clicks, and even backup your drivers before making any changes. The Driver Update Utility automatically finds, downloads and installs the right driver for your hardware and operating system. Automatic updates could save you hours of time. If you are having trouble finding the right driver, stop searching and fix driver problems faster with the Automatic Driver Update Utility.
Visit our Driver Support Page for helpful step-by-step videos Install Drivers Automatically In most cases, you will need to reboot your computer in order for the driver update to take effect. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.Ĭlick the Update Driver button and follow the instructions. In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager In strong>Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager It allows you to see all of the devices recognized by your system, and the drivers associated with them. To install a driver in Windows, you will need to use a built-in utility called Device Manager. Once you download your new driver, then you need to install it.