[MSDN Library April 2000] 'Illegal Operation' Error Message Changing Desktop Themes (55.2380952380952%)
MSDN Library - April 2000 > Knowledge Base > Windows > Windows 95.x Retail Product
[MSDN Library April 2000] Illegal Operation Error Message When Emptying Recycle Bin (45.5889724310777%)
MSDN Library - April 2000 > Knowledge Base > Windows > Windows 95.x Retail Product
[MSDN Library September 1992] Illegal Instruction under CodeView (29.0773229369721%)
Knowledge Base and Bug Lists > MASM KBase
[MSDN Library April 2000] Illegal Operation Error Message When Using Nwadmn3x.exe Utility (28.2539682539683%)
MSDN Library - April 2000 > Knowledge Base > Windows > Windows 98
[MSDN Library September 1992] Illegal Instruction Segreg (27.9077322936972%)
Knowledge Base and Bug Lists > MASM KBase
[MSDN Library April 2000] Illegal Function in Module Makemv12 (25.9809245335561%)
MSDN Library - April 2000 > Knowledge Base > Hardware > Microsoft Mouse Products
[MSDN Library April 2000] Illegal Operation Error Message When You Try to Print a Web Page (24.2352600762527%)
MSDN Library - April 2000 > Knowledge Base > Internet Explorer > IE Current Release