This is a really blue sky answer but:

DSHELL is a WIN.INI option switch. MSCUISTF.DLL is a required installation file with FP(W) 2.x. Try, on a computer where you can reproduce the error, removing the DSHELL= command from WIN.INI, then install the software, then re-add the line.


>Hi,
>
>We distribute a FPW 2.6a application to 300 customers (on CDROM) and upgrade very regularly. We use the distribution kit and encountered a scary error.
>When the customer installs the setup.exe starts up but after the blue screen appears it is stuck (before the target directory could be selected) and a message appears:
>
>"DSHELL An error has occurred in your program. To keep working anyway, click ignore and save your work in a new file. To quit this program, click close. You will lose information you entered since your last save."
>
>Click on Ignore does nothing, click on close giveas the followinmg message:
>
>"This program has performed an illegal operation and will be shutdown. If the problem persists, contact the program vendor."
>
>Click on the

button gives:
>
>DSHELL caused a general protection fault in module MSCUISTF.DLL at
>0004:00000532.
>Registers: **and then a whole bunch of numbers**
>
>It happened on 2 computers and they have Windows 95 on them and are Pentium 133 Mhz computers. So they are not "too fast".
>We never encountered the problem but on those computers we could reproduce it with any other foxpro SETUP.EXE.
>
>Anybody has a clue ?

------------------------------------------------
John Koziol, ex-MVP, ex-MS, ex-FoxTeam. Just call me "X"
"When the going gets weird, the weird turn pro" - Hunter Thompson (Gonzo) RIP 2/19/05