There is no such thing as a "parser plug-in". The message is misleading. Straight to the point: The update of AE itself or another Adobe program went wrong and dragged some components down the drain, perhaps because you didn't run as admin, perhaps due to some external interference. I'm afraid you can only reinstall from scratch to fix it or live with the error (which is no problem until the day you really need to use an AI or PDF file in AE). At best you could try and download the manual updaters from the Adobe pages and run them. One of them might be able to fix this. Mustn't even be the one for AE, but could be Photoshop or Acrobat itself...
There is no such thing as a "parser plug-in".
That's not entirely accurate. In CS4 we use "EPS Parser.8BY" to assist in parsing of illustrator files. This plugin is normally located at:
"C:\Program Files (x86)\Adobe\Adobe After Effects CS4\Support Files\Plug-ins\Format\EPS Parser.8BY"
Is this missing for some reason?
Hello Chris, I've checked that particular file and your right - it is missing. Whats your advice on what to do next?
There is never a situation where it should be missing. If it is gone, consider it the canary in the coal mine: You are now running a completely untested version of After Effects, who knows what else has been deleted from the install.
This is where Mylenium hit the nail on the head, you'll need to uninstall and re-install AE, then re-apply the 9.0.2 update.
Thanks for the advice everybody - I actually mended the problem another way - the error 52 is no more, well at least on my computer.
Sorry, forgot about that one. Though I could have sworn you some day said this has been changed to not use this thing... Mmmh, well. Apologies if my comments caused any confusion.