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MESSAGE REGARDING BioEXPLORER - Sentinel LDK Protection System Internal Error 0x7101 Occurred!

If you have a blue/purple hasp key, updates have caused this error on many computers. We are waiting for CyberEvolution to release a permanent fix for this. If BioExplorer is not currently running please try a workaround that has helped several people.

  1. Turn off Windows updates
  2. Uninstall BioExplorer
  3. In Device Manager > Universal Serial Bus Controllers uninstall Sentinel HASP key and Sentinel HL Key
  4. Download (Save) and install (right-click>Run as administrator) version of BioExplorer
  5. Optima+ users: Download (Save) and run the Neurobit setup (for Optima+ drivers)
  6. See if BioExplorer launches. If not, try running in Compatibility mode for Windows 7 or XP (service pack 3).


Antivirus - Find out about your program

BioExplorer Preferences

BioExplorer Version - Latest version, your version

COM Port number - To connect device in BioExplorer

Computer Specifications for BioExplorer

Feedback options

Microsoft Office version - Excel 32 bit is required for TQ7

System Information - About your computer

Updates - Where to get product updates/downloads



Devices changed while recording - Disable USB Power Management (device connection problems)

MIDI sounds are not heard - Microsoft GS Wavetable Synth is missing from Windows installation.

Tool is missing (Volumes, Filters, etc.) - Recover missing tool in BioExplorer

Video or DVD problems

Will not launch