Explorer process engross 50-60% CPU

My OS is Vista U, after updated OS, the explore process engross 50-60
CPU resource, and the taskbar hangs, kill explorer and restart explore
the taskbar recover, but for a monent, the taskbar hangs again. Th
explore process engross 50-60% CPU resource all the time. And all pinne
programs and used programs list is null, left panel on start menu i
blank
I used process explorer to view the explorer process, find th
ntdll.dll engross 50-60% cpu, but there is no problem with the ntdll.dl
file
How to solve this problem? thank yo

--
yxq

Same issue. Is this normal for Vista to sit there and have explorer use up
50% of the CPU doing nothing? No other processes running. I am running an
HP using Windows Vista Home Premium...dual core processor. This machine
should scream and is completely bogged down

"yxq" wrote:

>
> My OS is Vista U, after updated OS, the explore process engross 50-60%
> CPU resource, and the taskbar hangs, kill explorer and restart explore,
> the taskbar recover, but for a monent, the taskbar hangs again. The
> explore process engross 50-60% CPU resource all the time. And all pinned
> programs and used programs list is null, left panel on start menu is
> blank.
> I used process explorer to view the explorer process, find the
> ntdll.dll engross 50-60% cpu, but there is no problem with the ntdll.dll
> file.
> How to solve this problem? thank you
>
>
> --
> yxq
>