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How do I get around a 4-503 error in the launchpad?

If you are getting this error, you will need to remove the cookies from your launchpad.


They are located in one of these locations:

LaunchPad.libs/Cache directory
Delete these 2 files:
  • Cookies
  • Cookies-journal


Once that is done, you will need to log in with your user name and password.


If you need help with those, you can use this article.