When opening the manual with Adobe Reader, I received a ‘Error Wk1117 – WIBUKEY.SYS not installed’ message. What do I do?

Adobe Reader DC Sandbox Protections settings prevent the manual from opening. To work around that, launch Adobe Reader and go to Edit > Preferences > Security (Enhanced) > Sandbox Protections. Uncheck box for Run in AppContainer and Enable Protected Mode at startup. Click Yes to continue and close Adobe Reader. Now you should be able to open the manual without any issue.