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WebCenter Viewer eventually hangs, giving the error message: "Error reading User ID and User settings from server".


During the refactoring some new concepts were introduced as well. Oversight caused a resource to keep taking up memory without ever releasing it again.

More Information

For installation instructions and to download the hotfix, go to

Article information
Applies to

 WebCenter 18.1



Last revised


Case NumberCS01158532

What is a Hotfix?

A Hotfix is a software package that you can install on an existing installation of our software. Each hotfix contains fixes for one or more known issues in our released software.

Because there is always a small chance for a hotfix to cause new issues, you should only install Recommended Hotfixes, unless otherwise instructed by your Esko Software Support team.