enossified Posted December 4, 2020 Share Posted December 4, 2020 I was in the midst of a session today and went to open Help only to get this error message: There is no application set to open the URL help:openbook=com.apple.logic10.help. Search the App Store for an application that can open this document, or choose an existing application on your computer. What in heaven's name does that mean? I'm running 10.4.8 on High Sierra. EDIT The problem was Logic could not located HelpViewer. I just relaunched a few minutes ago, expecting to call Help, get the error again but provide HelpViewer's path. Surprise, Help just worked this time. @#$%%^& FWIW, Help was OK on other apps. Quote Link to comment Share on other sites More sharing options...
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