When opening ArcGIS Desktop Help, the following error messages are displayed:
"An error message has occurred in the script on this page"
"Page will not display"
Microsoft operating system and browser updates and patches have closed security leaks that affect the HTML Help functionality.
If installing or reinstalling Q811630 does not solve the problem, try deleting temporary Internet files and cookies in Internet Explorer by going to Tools > Internet Options > General tab and clicking the Delete Files and Delete Cookies buttons.
Some users have found that even with Q811630 already installed, installing additional hotfixes will result in errors. In this case, reinstalling 811630 after installing other patches or hotfixes has solved those errors.