Error 404 Page Not Found
After upgrading to HVR v5.5.0, clicking Menu > Help > User Manual returns the error below.
Error 404: Page not found. The requested URL 'qthlep://hvr/hvr/html/hvrfrontpage.html' was not found in HVR Online Help.
Delete the file named $HVR_CONFIG/files/onlinehelp.qhc to fix the issue.