Thank you Sergey, I did notice that this was the only SYS() function that gave me the path of the application.

>Try

SYS(16,1)

You'll have to extract path from the app full name so.
>
>>Hi!
>>
>>I want to know how my VFP application can determine where it resides?
>>
>>I have two apps, a FPW26 app calling a VFP5 app. My current dir is C:\FPW and the whole VFP stuff resides in the C:\VFP dir.
>>
>>In FPW I do: RUN /N4 C:\VFP\VFP5.EXE
>>
>>In the VFP5 application, the function HOME() gives "C:\FPW\" and SYS(2004) gives "C:\WINDOWS\SYSTEM32\" I guess it's because VFP500.DLL is in that directory.
>>
>>I'm asking this question because I want to SET LIBRARY TO FOXTOOLS in the VFP app and I cannot locate FOXTOOLS because it's in the directory where the vfp app resides and that dir is not in the current dir (C:\FPW) nor in the VFP path.
>>
>>I know that if I place FOXTOOLS.FLL in C:\WINDOWS\SYSTEM32 I will find it but isn't it bad practice writing in that directory?
>>
>>When the users will install on their PC, will they need administrator rights to write there?
>>
>>TIA