- Affected Products & Versions

Biostar 1 & BioStar 2

- Summary

Sometime, a user can't scan a fingerprint through BioMini/ BioMini Plus 2 sometimes.

- Problem

Can't scan a fingerprint via BioMini/BioMini Plus 2 randomly

- Workaround

Option 1) BioStar 1

How to apply:

1) Go to C:\Program Files (x86)\BioStar\console

2) Copy UFScanner.dll and make a backup file

3) Download the patch file and copy to C:\Program Files (x86)\BioStar\console



4) Confirm if the problem persists

If the problem persists, please refer the option 2 below.

Option 2) BioStar1
1. Go to C:\Program Files (x86)\BioStar\console
2. Make a backup file for biostar.exe
3. Download the file below and copy to C:\Program Files (x86)\BioStar\console
4. Set the timeout parameter from 6 to 10 sec

BioStar 2

1) Make a backup of C:\Program Files (x86)\USB Device Agent\usb-agent\

2) Download 



3) Unzip the file and copy UFScanner.dll.

 4) Overwrite files under C:\Program Files (x86)\USB Device Agent\usb-agent\

5) Restart all related services with including USB Agent service.




6) Confirm if the problem persists, let me know how many time the problem occurs.