Ufscanner.dll
Before reinstalling anything, ensure the error isn't caused by malware masquerading as the DLL.
These errors can appear when:
: Most Suprema SDKs require a UFLicense.dat file to be in the same directory as the DLL. If this is missing, you may encounter "Error 101" (System has no license). Common Troubleshooting Tips How to enroll fingerprint on BioMini via BioStar 2 API [] ufscanner.dll