Hello Maurizio,
Try the following steps...
1. Click Start, click Run, and then type "CMD" (without the quotation
marks).
2. At the prompt, type "REGSVR32 APPWIZ.CPL" (without the quotation marks).
If that doesn't work, try the full set of steps in the following article...
266668 Add/Remove Programs Tool Displays Installed Programs Incorrectly
http://support.microsoft.com/?id=266668
--
Robert Mitchell
Windows NT4&2000 MCSE
Microsoft Enterprise Support
This posting is provided "AS IS" with no warranties, and confers no rights.
"Maurizio R." <(E-Mail Removed)> wrote in message
news:0c8301c3a9eb$bdf87010$(E-Mail Removed)...
> Win 2000
> SP3 and SP4 applied.
> Probably after sp3 application.
>
> A white window opens with menu text of add/remove... in
> upper left.
> Error message:
>
> An unexected error occurred.
> Object doesn't support this property or method
> res://sp3res.dll/default.hta
> line 82
> [OK]
> after ok nothing happen.
> Please help , this is not only happen to me.......