This section deals with the registry data associated with GUIDs that are part of the CHM system. To verify the details & check unknown GUIDs you will need access to the registry.
The following GUIDs are not present in the Windows registry. If you do see them please send in a .reg file.
{7C01FD10-7BAA-11D0-9E0C-00A0C922E6EC} and {7C01FD11-7BAA-11D0-9E0C-00A0C922E6EC} are present in the ITSF initial header. {7FC28940-9D31-11D0-9B27-00A0C91E9C7C} is present as part of a filename in the ITSF directory.
The following GUIDs are present in the Windows registry under HKCR\CLSID. If yours are any different please send in the differences.
From: ITSF directory header. Description: Microsoft InfoTech IStorage System NotInsertable InprocServer32: ITSS.DLL ThreadingModel: Both VersionIndependentProgID: MSITFS ProgID: MSITFS1.0
From: $OBJINST internal file. InprocServer32: ITIRCL.DLL ThreadingModel: Both VersionIndependentProgID: ITIR.StdWordBreaker ProgID: ITIR.StdWordBreaker.4
From: $OBJINST internal file. InprocServer32: HHCTRL.OCX ThreadingModel: Both VersionIndependentProgID: HHCtrl.SystemSort ProgID: HHCtrl.SystemSort.666
From: $OBJINST internal file. InprocServer32: ITIRCL.DLL ThreadingModel: Both VersionIndependentProgID: ITIR.EngStemmer ProgID: ITIR.EngStemmer.4