Illustrator: All artwork has jagged edges after changing settings


New Member
I rasterized a logo (plus made other changes I can't quite remember), a few days ago and ever since then every logo I open from my designer is jagged and distorted. Even though I didn't save whatever effect I applied, all my artwork now doesn't look as it should.

Here's how it looks now and here's how it looked then.

I've deleted the AIPrefs file and the whole CS5 settings folder without any luck and it's not anti aliasing. Is there another way to completely restore it to factory defaults? Whatever change I made the other day seems to be affecting everything since.

Any ideas appreciated
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