Well, I made this mistake quite awhile ago and never followed through on it. And, like all mistakes in RPG Maker (so it seems) this one has come back and bit me in the ass
I thoughtlessly went and deleted a bunch of sprites I didn't need from my main graphics folder, the one which I believe all games I create draw their graphics from:
(C:\Games\RPG Maker XP - Postality Knights Edition ENHANCED\Games\)
After I finished deleting the files I didnt want, I attempted to open my game and it said it was missing an image (warrior01 or whatever). I checked the resource manager and realized that ALL images had been removed from it.
I was able to quickly fix this by re-importing all the images, but the little dots next to each image (in the RM) were now RED, instead of BLUE.
I didn't realize the significance of this until I recently tried running a few demos, and they gave the same "missing image" error. Sure enough, their \character file in their RM was empty (save for the specific files that came with it)
To summarize, my understanding of the problem is this: I messed up the resource files from which ALL games on my computer draw from, had to re-import them, and now they are game-specific files, and must be imported into every game I run. Anyone know how to change this? I would image I have to somehow reestablish them as "main files" or whatever, but have no idea on how to do this.
If anyone knows a good tut explaining the workings of the RM and all this, a link would be appreciated as well. Also, please don't flame me for being stupid and not deleting the files from the RM first: I realized my mistake allready.