I was investigating how CVI6.0, CVIRTE7.0, CVI7.0 would cooperate. So I installed CVI6.0, CVIRTE7.0, generated DLL, uninstalled them, then installed CVI7.0 and run the DLL......
Maybe not follow the above sequence. I did such for several times in different sequences. At last after I installed CVI7.0 again, I found it can't even run the sample programs. Then I installed the CVIRTE7.0, the problem solved.
Hope this helps.
Echo