Why does Vista explorer.exe hog cpu & how do I stop it?
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Why does Vista explorer.exe hog cpu & how do...Expand / Collapse
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MarianM
Posted 7/8/2008 4:15:15 PM




I've seen a few messages on this, but none with cures or explanations.

Am on dual core machine with 32 bit Vista, so explorer only hogs up to 51%
of CPU instead of all, though this still is enough to stop me from being able
to get work done. On this latest instance, I turned the Win Explorer window
off & waited for ~ an hour, which did nothing to alleviate the problem (task
manager still showed explorer.exe going strong). Then tried 'regsrvr32
somedll' that someone in this discussion group recommended for a similar
problem under XP, which earned me "error code 0x800a0046", so I guess that
wasn't the thing to do.

So, what =is= going on? What is win explorer trying to do? It feels like the
throttle won't shut down, or some such thing. Is there a cure besides turning
the Win Explorer window off and on?
Post #151321
Earle Horton
Posted 7/8/2008 4:46:14 PM




Post in reply to: Marian M.
How much memory do you have in your system? Explorer is the shell, the
thing that handles starting programs, showing system menus, the task bar and
such. There is no "Windows Explorer Window" you can turn off, not with the
effect of really shutting down Windows Explorer. On my system explorer.exe
usually uses less than 1% of CPU, a little more when I make it work like
switching windows.

Earle


Post #151331
Dave-UK
Posted 7/8/2008 5:25:09 PM




Post in reply to: Marian M.



Task Manager > Performance > Resource Monitor > CPU drop-down list.







Post #151343
NetLink_Blue
Posted 7/8/2008 5:35:05 PM




Post in reply to: Marian M.




If explorer.exe constantly uses this much CPU time, then you do have a
problem.

The explorer.exe process will always show in Task Manager. If you ended it,
your Taskbar and all desktop icons would disappear. That is the "shell"
that lets you interface to Windows. Closing explorer window does not stop
explorer.exe.

Something is making it run/work overtime. Troubleshooting is in order.
Usually, folks stop programs, processes one-by-one until things return to
normal. The last program/process closed would be the suspect.

- Net






Post #151347
Cameron Snyder
Posted 7/8/2008 6:05:22 PM




Post in reply to: Marian M.

Since you are able to diminish CPU usage by closing the window, I would
suggest you change your view in the explorer window to list or detail view.
Generating thumbnails in a large folder of JPG files might require more cpu
power until fully built.


Post #151366
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