Un utente ha risolto con
START > Esegui
regsvr32 /i shell32.dll
oppure potresti provare a vedere qui:
http://support.microsoft.com/kb/264728/en-us
Windows Explorer in Folders View May Cause Selected Folder to Open in New Window
o qui:
http://support.microsoft.com/kb/307856/en-us
How To Customize the Windows Explorer Views in Windows XP
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Ester Memoli
Microsoft Word MVP
http://blogs.dotnethell.it/ester
http://mvp.support.microsoft.com