This page shows you the easy and correct steps required to repair a Windows 20 error.
"Windows could not load one of the drivers for this device. (Code 20)."
Check it out and finally get rid of this Driver problem.
When trying to use a hardware device attached to your computer, such as a USB optical mouse, your computer displays the error message for error code 20. Windows is having problems loading a device driver and is unable to use the affected device.
To resolve Windows error code 20, you will have to take some very basic steps to update the drivers for the device that will not work. You should have gotten the error when trying to use a specific piece of hardware, so you will have to update the driver for that device.
Here are the steps you will need to take in order to update the device driver:
Windows error code 20 should not happen after you take these steps. If it does reoccur, you may need to consult with the manufacturer's documentation or website to see if there are any patches or hot-fixes that address this error.
TipFor more information, please see: How to fix Driver error #20