Do a search here for "RUNEXIT.EXE". Whatever thread it is in should help you set it up.

tomexplodes wrote:

When I try to boot windows with […]
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When I try to boot windows with

cd\windows
win c:\sierra\mgdx\sierraw.exe

I get "Windows Title Not Found"
followed by "Can't find SIERRA.ERR"

I would suggest

1cd \sierra\mgdx
2c:\windows\win sierraw.exe

I notice in the game's IN WINDOWS shortcut, it calls up c:\sierra\mgdx\resource.cfg

If I do that in my dosbox conf, it says "No application is associated with the specified file."

I'm not sure what this means, but that also suggests you can associate *.cfg files in your Win 3.1 installation with sierraw.exe, and then use

1cd \windows
2win c:\sierra\mdgx\resource.cfg

I have completely forgotten how to set file associations in Windows 3.1, though.

In any case, Runexit is probably a better idea.

I tried adding runexit to the mix,
cd\windows
win c:\runexit c:\sierra\mgdx\sierraw.exe c:\sierra\mgdx\resource.cfg

But I get the same "can't find sierra.err" error as before.

I tried what you suggested,

cd\sierra\mgdx
c:\windows\win sierraw.exe resource.cfg

but I still get the same errors as before.

Somehow it's not actually calling up resource.cfg at the same time as the executable.

EDIT: Also I rechecked the shortcut in windows, it calls up like so "C:\Sierra\MGDX\sierraw.exe C:\Sierra\MGDX\resource.cfg"

The game requires an argument of the path to the CFG file. Running the EXE without the path will result in the "Title not found" error.

This game's installer copies very little to the hard drive. The "Cannot find SIERRA.ERR" is probably because the game is not finding the CD

tomexplodes wrote:

I tried what you suggested, […]
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I tried what you suggested,

cd\sierra\mgdx
c:\windows\win sierraw.exe resource.cfg

but I still get the same errors as before.

That's not what I suggested. That will never work, either. "win.com" will only take one argument.

It looks like your best bet is to try to associate *.cfg files with sierra.exe. According to https://support.microsoft.com/en-us/kb/83433 , you can do this by editing your WIN.INI in your Windows 3.1 directory. Add a line in the [extensions] section reading
cfg=C:\Sierra\mdgx\sierra.exe ^.cfg

Then try

1cd \windows
2win c:\sierra\mdgx\resource.cfg

and it should launch sierraw.exe automatically.

That won't work. Most of the game's resources are on the CD. The shortcut properties should not only have the command line of C:\SIERRA\MGDX\SIERRAW.EXE C:\SIERRA\MGDX\RESOURCE.CFG, but also a working directory of the CD path. Without the working directory set the game will not find the resources on the CD.

Oh. Well, in that case, assuming a CD-ROM drive letter of "D", perhaps this to work after making the edit to WIN.INI:

1d:
2c:\windows\win c:\sierra\mdgx\resource.cfg

Alternatively, I expect it should be possible to make a .PIF file in Windows that can be used to launch sierraw.exe with resource.cfg and the working directory of "D:". Then the .PIF file could be specified as an argument when launching "win".

A PIF? It is a Windows game, not DOS. Perhaps a batch file instead.