26. February 2012 · Comments Off on Fix IE Browser Error 100 when Organizing Favorites · Categories: TechBits · Tags:
error symbol

After clicking organize favorites in the Internet Explorer® favorites menu, a dialog may appear with the following error: 

An error has occured in this dialog.
Error: 100
Invalid class string

This issue may be caused by a missing MicroSoft® javasript registration. If so, it’s easily fixed in WinXP, Vista or Win7 by registering the regsvr32 jscript.dll. Visit the below link for detailed instructions:

The Winhelp Online Help Blog – Fix for Error 100 Invalid Class String in Internet Explorer When Opening Organize Favorites


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