Uninstall the bio-metric device from the system(Also delete the Precision Biometric folder form the C drive) and again reinstall it. This will solve the problem.
- Uninstall the the four(mentioned below) software from your system.
- Go to C:\Program Files (x86) or C:\Program Files and delete the Legend System folder and Precision Biometric folder.
- Now clear your temporary files. Press the windows key. And write for %temp% and then press enter.
- Then delete all the temporary files.
- Now press windows key again and search for Disk CLeanup and the press enter.
- Selec the C drive and press OK.
- Then select all the files and press delete.