[MSDN Library June 1998] Unknown or invalid field reference (32.3916408668731%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > DAO SDK > Trappable Microsoft Jet and DAO Errors > Error 3300 - 3349

[MSDN Library June 1998] Unknown automation error (27.6544183038241%)

MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages

[MSDN Library June 1998] Unknown Error - 20038 (26.2258468752526%)

MSDN Library Visual Studio 6.0 > Visual SourceSafe Documentation > Reference Guide > Error Messages

[MSDN Library June 1998] Unknown Nickname in the Chatroom (23.871975019516%)

MSDN Library Visual Studio 6.0 > Knowledge Base > Micrsoft Site Server and Microsoft Commercial Internet System

[MSDN Library June 1998] Unknown User Types (21.3989702996494%)

MSDN Library Visual Studio 6.0 > Platform SDK > COM and ActiveX Object Services > COM > COM Clients and Servers

[MSDN Library September 1992] Unknown Function psrch with Brief Emulation in PWB (19.8546365914787%)

Knowledge Base and Bug Lists > Programmer's WorkBench KBase