XP: Disable Script Debugger in IE
Contributed by William_Wilson 
Tagged: Windows Get rid of the annoying script debugger in IE, and keep your webpages open
run this code -saved as scriptdebug.reg to add the necessary registry keys to stop Internet Explorer from running the script debugger.
REGEDIT4
[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main]
"Disable Script Debugger"="yes"
"Disable Script DebuggerIE"="yes"
Editor Addendum:
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Gareth said on December 4, 2008
The correct IE one is:
DisableScriptDebuggerIE
Note there are no spaces. The non-IE one does have spaces however so it should be:
Disable Script Debugger = “No”
DisableScriptDebuggerIE = “No”