1. First, don't open the virtual machine, just plug in your USB flash drive, and then right-click My Computer-Properties-Hardware-Device Manager to uninstall your USB flash drive. Unplug the USB flash drive quickly after unloading to prevent it from automatically installing the driver.

2. Open the virtual machine, activate the virtual machine with the mouse, and click the virtual window. Insert the USB flash drive, and the virtual machine still doesn't respond. Then change the real machine. Open the device manager as you just did, and you will see a yellow exclamation point. Click it and choose to install the driver later. In the pop-up installation wizard, select Install from a list or a specified location (Advanced), and then select the folder where the virtual machine is installed. (Please confirm whether there is a driver named vmusb.sys in the virtual machine installation folder, and then choose. ) Wait for it to pop up a prompt without Microsoft signature.