Assembly "Ivi.Visa.Interop" under Windows10 not in GAC_32

Hello,

i tried to execute a ivi DotNet-DLL created with Windows 7 on a Windows 10 computer (with TestStand).

I didnt work, so i installed a compiler on the Windows10 computer.

Here i see that the problem is that the reference to "Ivi.Visa.Interop" cannot be found.

I checked on the Windows7-pc where this file should be and it says:
C:\windows\assembly\GAC_32\5.5.0.0.....\Ivi.Visa.Interop.dll

Back on the Windows10-pc i checked in explorer for this file but it is not there.

Only in directory C:\windows\assembly\GAC_64\5.5.0.0.....\Ivi.Visa.Interop.dll it can be found.

So i manually linked the compiler to this dll-directory and then the dll is running fine.

Question is now: Why is there no dll in the GAC32-assembly directory?

Installed software:

NI Visa 19.0

NI ICP 19.0 (Ivi compliance package)

Thanks for help