Explorer.exe High CPU usage when opening/closing folders

[Cull501]

Hello let me first say thanks for any help with this problem. Ive had this problem for about 2 weeks now and have been trying to fix it for awhile now.

Whenever I open a folder on my desktop explorer jumps to 25% and the folder takes roughly 30 seconds to open. Whenever I try closing the folder it takes about 10 seconds to close.

My system specs are:

OS=Vista x64

HDD=1 TB Seagate Barracuda

RAM= 4GB Corsair Dominator

CPU= 3.0GHz Q6600 Quad Core

Ive tested this by creating an empty folder on the desktop so that there are no directories in it and then opening the folder.

Other files on the desktop work fine such as text documents and .exe files. I ran process explorer and under the threads tab there are two things that take up CPU

SHLWAPI.dll and BROWSEUI.dll ive been unable to fix this issue so any help is appreciated.

Ive tried turning hard drive inexing on and off both didnt help.

[Eric Veteran]

Hello let me first say thanks for any help with this problem. Ive had this problem for about 2 weeks now and have been trying to fix it for awhile now.

Whenever I open a folder on my desktop explorer jumps to 25% and the folder takes roughly 30 seconds to open. Whenever I try closing the folder it takes about 10 seconds to close.

My system specs are:

OS=Vista x64

HDD=1 TB Seagate Barracuda

RAM= 4GB Corsair Dominator

CPU= 3.0GHz Q6600 Quad Core

Ive tested this by creating an empty folder on the desktop so that there are no directories in it and then opening the folder.

Other files on the desktop work fine such as text documents and .exe files. I ran process explorer and under the threads tab there are two things that take up CPU

SHLWAPI.dll and BROWSEUI.dll ive been unable to fix this issue so any help is appreciated.

Ive tried turning hard drive inexing on and off both didnt help.

What else do you have installed? It could be security software causing the issue or even a bad shell extension.

[Cull501]

Thanks for the reply. I am using Kaspersky internet security 2010. When I pause the program the problem still exists. My normal processes are running and i have no other applications running. Next I will try and see if it will happen in safe mode.

[Cull501]

restarting in safe mode solves the problem so im not sure what step i should take next to make it work in normal startup.

[Cull501]

Ok so I have done some digging and decided to sue process explorer to find out more info. Process explorer confirms that explorer.exe is the problem and then i look at teh threads that explorer has running. while opening a file 2 threads cause the issue. SHLWAPI.dll uses high CPU first then when a window appears for the opened folder BROWSEUI.dll uses high CPU this whole process takes about 30 seconds and then returns to normal usage. If you need it i can post the stack info for these 2 threads.

[Cull501]

ok so i guess i fixed the problem. Simply by running chkdsk (which took a very long time) the problem is fixed for now i guess it was a corrupteed file somewhere.

-thanks for the suggestions