# To subscribers of the xforms list from Steve Lamont <email@example.com> :
> With RedHat 6.1, I get the following error when trying to start up a xforms
> application. And idea why? Thanks in adavnce?
> [hatchpqa@portpqa bin]$ ./um &
>  20063
> [hatchpqa@portpqa bin]$ ./um: Can't open display
> Missing or failed fl_initialize()
Two possibilities come to mind -- both of them pretty basic.
First, you didn't call fl_initialize().
Second, your `DISPLAY' environment variable isn't set or is set
Do the demos run? Does `fdesign'? If so, then the second possibility
is unlikely, so you should check your code to determine whether
fl_initialize() is being called before any other XForms (or X)
If the demos and `fdesign' don't run either, then it's probably your
DISPLAY variable that's botched. Type
If you either get an error message or the wrong host, then that needs
to be fixed in the standard manner.
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