Since Efilmlt.exe is usually a remnant of old Lenovo software that you likely do not use anymore, the best fix is to stop it from trying to launch.
: Displays high-quality digital images from various diagnostic sources, including CT, MR, and Ultrasound units. Efilmlt.exe Download Windows 10
Then run:
Permission errors related to the installation of required components like the Microsoft XML Parser 2. Implementation and Troubleshooting Steps Since Efilmlt