| Title: | DECWINDOWS 26-JAN-89 to 29-NOV-90 | 
| Notice: | See 1639.0 for VMS V5.3 kit; 2043.0 for 5.4 IFT kit | 
| Moderator: | STAR::VATNE | 
| Created: | Mon Oct 30 1989 | 
| Last Modified: | Mon Dec 31 1990 | 
| Last Successful Update: | Fri Jun 06 1997 | 
| Number of topics: | 3726 | 
| Total number of notes: | 19516 | 
    
    I encountered a problem in a program I've installed.  The error is :
    
    X Toolkit Error: Can't Open display
    %DWT-F-DWTABORT, xtoolkit fatal error
    
    I understand that this error can occur if the .UIL file cannot be
    opened.  However, I wrote a small test file that opened the .UID 
    successfully.  Assuming that the code I recieved works, and the
    people who sent it to me say it does, can I get this error for
    any other reason?  Like maybe system parameters, or insufficient 
    resources.
    
    I'm running VMS 5.3, and NETED BL7.
    
    thanks,
    John
| T.R | Title | User | Personal Name | Date | Lines | 
|---|---|---|---|---|---|
| 2084.1 | DECWIN::JMSYNGE | James M Synge, VMS Development | Fri Jan 19 1990 14:17 | 8 | |
|     When I run into this type of problem, I usually fallback to running a
    small Xlib program to find out what the error is, because the toolkit
    doesn't print out useful messages about the source of the problem.
    So, try RUN DECW$EXAMPLES:ICO.EXE.  If that works, then the problem
    with your application.  Otherwise, either your SET DISPLAY was wrong,
    or your Security list wasn't setup correctly.
    
    James
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