I've checked the Enterprise blogs hosted and offered by HP, and various users recommended to restart the remote host because this could be a temporary issues that's easily fixable through a simple restart.
Additionally, if you're using scripts or plug-ins, then I also recommend reinstalling them and then try again to work with the apps.
You can also ask the developers of Worksoft Certify for any additional information related to this inquiry: https://www.worksoft.com/contact