Dear Hitesh ,

Thank you very much for your kind explanations .
I really appreciate your help .
To install the latest Microsoft Visual C++ redistributable shall be a must .

Yutaka

Dear all , I am a Japanese guy and I bought PicoScope 3204B on 2nd March this year . This is a nice instrument and I enjoy trying many functions with picoscope 6 !!! Then I got PS3000asdk_r10_4_1_1.zip and try ps3000a.xls . But although there is a ps3000aWrap.dll in the same directory as ps3000a.xls...