If you have recently downgraded your version of Windows and are getting the UNEXPECTED KERNEL MODE TRAP error, you need to update your device drivers to their latest version.
You can either run automatic driver updates or manually update drivers.
In most cases, likely changes will include download and installation of faulty or incompatible device drivers, installation of incompatible hardware devices, malware infection or faulty RAM.
In case you are having the Blue screen error, you are invited to try the above solutions and let us know how it went.
In case errors are found, a replacement of the RAM module is advised.