>>>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.