How to fix “Missing required plugin BRS pencil tool ExpandS Pathfinder Suite” error on Illustrator CS2, CS3, CS4 ?

adobe-illustrator-cs4

I know this is very annoying. An Error pops up when I need to finish an urgent design on Illustrator. Yes it’s the same that you may come  across too. I reinstalled Illustrator CS4 again. It just used to waste my time. I have seen this error comes on Illustrator CS2, CS3 too. Unfortunately no one answers the question properly. Nevertheless this is how I figured it out.

According to my experience, this error comes If your computer restarts suddenly while Illustrator is being opened.

“Missing required plugin pathfinder suite”  is the error. There are more errors similar to “Missing required plugin BRS pencil tool ExpandS Pathfinder Suite ”

To solve this problem let Illustrator create a new preferences file. If the error is still on the screen, click OK to quit the error and go to

Documents and Settings/user profile/Application Data/Adobe/

(By default “Application Data” folder is hidden. Therefore to show this particular folder, go to Control Panel –> Folder Options –> Click on View Tab –> Remove the  tick from “Show hidden files and folders then click on OK and Apply.)

You can see there is a folder called “Adobe Illustrator CS4 Settings” rename this folder to “AIPrefs_old

Right! you are done. Without hesitation open the Illustrator now. I assure you that it won’t give you the error again.

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3 Responses to How to fix “Missing required plugin BRS pencil tool ExpandS Pathfinder Suite” error on Illustrator CS2, CS3, CS4 ?

  1. Chris Cini says:

    I did exactly as you wrote however it is still not working. I am using cs3 and I can notice that every time this error is showing it is creating a folder called AdobeIllustratorSettings. Can you help pls?

    • Ken Beck says:

      1. Try to remove all the fonts on your computer (You can’t actually remove all of them, Just remove as many as you can) then install “Segoe-UI ” font only.
      2. Restart your computer.
      3. Start Illustrator.
      4. If Illustrator works, reinstall other fonts carefully. (Do not just install them, I recommend you to link them 50 by 50 and keep checking if your Illustrator works)

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