If you open an IWAD file with XWE, the header inside the file gets converted to a PWAD.

This causes problems when trying to play the game afterwards.

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I don't think that's going to get fixed any time soon. I do think there's an option to disable back-ups that might get rid of that, but then XWE won't back your PWADs up either. Mark your IWADs as read-only, for a work-around.

EDIT: Oh wait, I remembered this may be due to an optional feature. Try disabling the "Automatically create a backup file when a WAD file is opened" option.

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See the edit, which might offer a better solution.

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Confirmed, I'm a XWE opened WAD copy/paste addict.
Found this 2 years ago while trying to solve IWAD automatic conversion issue...

If you shut XWE without copying current active work, then you'll see the size of your WAD change to a really smaller size and a generated backup file...
So don't shut it by common reflex to press the upper right corner cross, copy/paste first, then "file / quit".

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Another option is to simply make your IWADS read only.

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Sometimes XWE leaves my IWADs alone, othertimes it rewrites them as PWADs while also leaving the original as back-up. In this case, what I do is merely restoring the original.

I wouldn't attribute my IWADs as read-only, because then Dmgraph or Dmaud won't read them anymore.

How come "don't leave backups" is a solution?

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Because when that is enabled XWE cleans (thus modifies) the WAD and creates a back-up as soon as you open it.

If you disable the "Automatically create a backup file when a WAD file is opened" option, it does the clean-up and creates the back-up only if and after you've made any changes to the WAD (and when closing it). In this case, if you don't modify the WAD, XWE doesn't change it at all.

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Wow. Having backups enabled mean that any file you load will be unnecessarily modified is definitely not something that I would expect. It's kind of like having a button that says "Safe to push" that is wired to a bundle of TNT.

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Quasar said:

It's kind of like having a button that says "Safe to push" that is wired to a bundle of TNT.

Well, now that you mention it...

/me puts button away

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Quasar said:

It's kind of like having a button that says "Safe to push" that is wired to a bundle of TNT.

Why? Because some day it may crash up?

EDIT: Haha, I don't have that damned version which does that!

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printz said:

Why? Because some day it may crash up?

No, because you expect that option to keep your wads safe and instead it has the effect of messing up your IWADs.

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I've opened the IWADS in XWE plenty of times. But I've never had this happen to me.

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Older versions don't have this feature, only the latest beta.

Another issue this causes is modifying PWADs and thus rendering them unusable for online multiplayer.

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Be careful using IWADS. They can screw with your files sometimes (happened to me).

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So that explains why JDoom throws up when I load TNT and Ultimate Doom, I looked at those in XWE.

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That's why I tag all my IWADs as Read Only. Also, nice bump.

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It's better to disable the feature that modifies WADs each time they're opened. I'll probably make a sticky of this and the other issue where some steps need to be taken in Vista or the like to get it to work, soon.

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