[MSDN Library June 1998] Illegal Function in Module Makemv12 (57.0238095238095%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Microsoft Mouse Products
[MSDN Library June 1998] 'Illegal Operation' Error Message Changing Desktop Themes (25.9809245335561%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Windows 95.x Retail Product
[MSDN Library June 1998] Illegal Operation Error Message When Emptying Recycle Bin (25.1037315511%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Windows 95.x Retail Product
[MSDN Library June 1998] Illegal version number (24.3298771121352%)
MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages
[MSDN Library September 1992] Illegal Instruction under CodeView (23.4126984126984%)
Knowledge Base and Bug Lists > MASM KBase
[MSDN Library June 1998] Illegal file or project name(s): (22.9013056835637%)
MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages
[MSDN Library September 1992] Illegal Instruction Segreg (22.4603174603175%)
Knowledge Base and Bug Lists > MASM KBase