i have on my desktop or in a folder at the server some dxf or dwg files. whenn i click on it and say open with draftsight or set draftsight as standard program and double click i get a message ;

C:\\Users\\name\\Desktop\\part.dxf

This action is only valid for products that are currently installed

now i need always first start drafsight and click file open and navigate to the file to open it.

can someone help me?

for information

i reinstall drafsight allready it is with the 32 bit and 64 bit version. my collegue have the same problem and at the computer of another collegue it works perfectly.