Disable Windows Defender or third-party antivirus temporarily.
: Run the installer program, which typically unpacks the operational modules under a temporary registry index ( is-G2FG1.tmp or similar) before copying files to the final Program Files architecture.
The J2534 DLL registers itself under: HKEY_LOCAL_MACHINE\SOFTWARE\PassThruSupport.04.04
The Ultimate Guide to Autokent MVCI MultiDriver x64: Enabling Techstream on 64-Bit Windows