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rtl8191su - Windows Update'd, now broken
Clean install of Windows 7 Home Premium 64 bit. Found and installed a driver for my rtl8191su USB-WiFi adapter at the Realtek site. Went to Windows Update and let it update everything over the WiFi connection. One of the updates was a rtl8191su driver. After that installed the WiFi lost connection and the driver wasn't loaded. Now it complains that there is no driver for the "rtl8191su Selective Suspend Enabler". Uninstalling the device in Control Panel and scanning hardware gets me right back to having no loaded driver. Manually trying to install the Realtek driver won't work, it says there is nothing that matches the hardware. What a complete crock!!!!!!!!!!!!!!! It was working fine before the Windows Update. In the Control Panel for this device, "Rollback driver" is grayed out. So as well as putting in a useless broken driver, Windows Update didn't save the previous working configuration. Nice.
Anyone got any ideas how to back out the updated driver and get this working again?