DefaultEngine.ini not allowing me to configure my game

[Sammieo]

EDIT:Solved! I wasn't able to edit the .ini files and save my alterations because my UDK folder was in the Program Files folder, though I'm not sure why this is a problem. Either way, I moved it into the C folder and everything works dandily now!

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Hello everyone, newbie at UDK here! I'm very comfortable with programming, but I'm still getting to know the ropes with UDK, namely with Unrealscript.

This is primarily an Unrealscript issue, as I'm trying to configure DefaultEngine.ini to permit my own games. I'm following the steps of the Hourences' tutorial (http://www.hourences.com/an-entire-s.../#unrealscript), so any of you familiar with that know the steps.

I've gotten everything set to the part where I include the line "+ModEditPackages=MyGame" in the [UnrealEd.EditorEngine] section, but there are two big discrepancies that I see:

1) The Hourences' example says this section should already have another line existing in it, "+EditPackages=UTEditor" - but this line doesn't exist in my version of DefaultEngine.ini! What does that mean?
2) It does not permit me to save. When I try to save the file, Windows returns an error message saying "Please check if this file is opened in another program". This part puzzles me, since it appears even when there are no other applications running save for itself (i.e. the Notepad++ file containing DefaultEngine.ini), as the Task Manager confirms!

I have full read/write permissions for DefaultEngine.ini, and I've not tampered with any other files in the whole UDK folder. I added the MyGame folder from the tutorial and its subsequent files, but that's it. None of the searching I've done seems to yield any answers.

Any advice? If anyone could help me out, I'd be hugely thankful.

[tegleg]

Hourences is terribly outdated, theres a guide on udn for setting up script projects and i also did a quick starter quide.
see my tutorials page (below)

[tegleg]

Hourences is terribly outdated, theres a guide on udn for setting up script projects and i also did a quick starter quide.
see my tutorials page (below)

[Sammieo]

Hourences is terribly outdated, theres a guide on udn for setting up script projects and i also did a quick starter quide.
see my tutorials page (below)

Thanks for your help, tegleg.

EDIT: Where I originally had my UDK folder was in "Program Files" - for curiosity's sake, after moving it out of there and into the C: folder, it's now able to save and allow changes just fine. The more you know!