MJ's Diagnostics is a small utility that reports if all the HTML Help runtime & Workshop (compiler) DLLs are installed and registered to the correct locations. If you have compiler crashes, and crashes when simply opening a CHM, or when searching from the CHM search tab, then this utility will help sort out rouge DLL problems.
The problem: Some vendors instead of installing HTML Help Workshop (help compiler), install compiler DLLs (a subset from an old Workshop) and register parts to non-standard locations. Suddenly HATs and .CHMs are crashing. The fix is to reinstall HH Workshop. Run Workshop once. Run the report again. Email me if you need help.
See also: Other HTML Help Problems
Unzip the utility to a folder with write permissions.
V1.0 2001-06-06: Original upload.
V2.0 2002-01-20: Reports in HTML format. Now also checks HH Workshop and MS Help 2.x. Also reports NT Admin privileges.
V2.1 2002-08-08: improved method of finding the Workshop folder.
V2.2 2005-02-07: Added Refresh Registration checkbox to force re-registration of HH DLLs by choice. Now does unreg before any registration to fix a bad install by MS. Now reports HH registry settings the affects the way HTML Help works.
V2.3 2005-04-23: More reporting about special registry settings. ie MS Security patch settings.
V2.4 2006-05-15: Updated. More diagnostics. Added HH Diags Home Page to web site.
V2.5 2006-06-11: Minor update. When reading registry items it now checks the data type (fixes access violation on users machine).
V2.6 2006-08-26: Minor update. Fix resize problems and detect HH compiler files even when VS has only installed HHA.dll and itcc.dll but not full Workshop UI (hhw.exe).
V2.7 2006-12-29: Elevated the executable for Vista.
V2.7.2 2007-09-08: Update documentation -- UrlAllowList= bug has been fixed by MS.Known
V3.0.2 2014-09-10: Now supports Windows 64 bit OS. Also added check helpware site for latest version of MJsDiags
V126.96.36.199 2014-09-19: Tweaked the report format. Color highlighting of errors.
V188.8.131.52 2014-09-29: Now reports if EXE/DLL is 32 or 64 bit. Highlight policies enabled. Allow for all HH DLLs being 32 bit even in the 64bit area.
V184.108.40.206 2014-10-01: Improve checks for valid Workshop folder.
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