I can't select any parts or instruments on multisim. My circuit come up but I can't change them. I can't even create one because I am unable to select component.

[Tien_P]

Hi,

Have a look at this knowledge base, it should fix your problem:

http://digital.ni.com/public.nsf/allkb/609A763289E6E81D8625739F0052151F?OpenDocument