>>>>Maybe some DLLs are not installed on that machine?
>>>>Maybe if you run Dependency Walker on that machine you will see what.
>>>
>>>
>>>XFRX is in one folder on the server. It never needed any DLL installations. You dump it on server and it works.
>>>Only dll used by xfrx AFAIK is zlib.dll
>>>
>>>What is confusing is why it crushes only on that machine not on any other ?? And only in case of using PNG.
>>>If I switch bitmap back to bmp, it wld work.
>>>
>>>Type of bitmap (file on disc) is only thing that I changed, nothing else.
>>>
>>>Thank You anyway :)
>>
>>The only two DLLs XFRX used directly are ZLIB.DLL and HNDLIB.DLL.
>>BUT the version of VS it is compiled may need more (like msvcrXX.DLL, msvcpXX.DLL etc).
>
>XFRX itself works. So I wld assume that these two dlls are ok.
>Looks like this conversion from PNG is what is problematic.
>
>I will have to switch back to BMP for the time been (urgent), but I wld like to know how to fix this.

Maybe the routine that handle the PNGs is messed up?