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bls
Level 8

Windows Explorer randomly hangs after latest McAfee update

McAfee Antivirus Plus, here's the version information:

Security Center: Version 11.0, Build: 11.0.572 last update 8/11/2011

McAfee VirusScan: Version 15.0, Build 15.0.291, last update 8/18/2011

Recently, my desktop (Windows 7 Enterprise, 6GB memory) started having a problem where Windows Explorer would become non-responsive. The start menu (set to auto-hide) would not unhide, and one thread is running compute-bound (~12-15% of a 3.4Ghz I7-2600 (4 cores with hyperthreading)). Looking at the stack, there doesn't apear to be anything interesting, and certainly nothing to indicate that it might be McAfee.

HOWEVER, yesterday McAfee on my laptop updated (Win 7 also, 8GB memory), and required a reboot. Shortly after that reboot, Windows Explorer on the laptop hung in exactly the same way.

If I restart Explorer via Task Manager everything works fine for a while...the hang seems to happen about once/day on my desktop.

Has anyone else experienced a similar problem recently? McAfee folks, any suggestions for things to look at or for in order to figure out what might be causing this?

Thanks!

Stack trace of the compute-bound thread:

comctl32.dll!Ordinal222+0xd178

USER32.dll!PeekMessageW+0xba

USER32.dll!GetKeyState+0xee

USER32.dll!PeekMessageA+0x57

SHLWAPI.dll!Ordinal166+0x83

SHELL32.dll!ExtractIconW+0x2f8

SHELL32.dll!StgMakeUniqueName+0xdd585

SHELL32.dll!StgMakeUniqueName+0xdd6ce

SHELL32.dll!Ordinal733+0x586da

explorer.exe+0x3bb9f

explorer.exe+0x3844f

explorer.exe+0x12b0

USER32.dll!TranslateMessageEx+0x2a1

USER32.dll!SetWindowTextW+0x277

USER32.dll!IsDialogMessageW+0x169

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!IsDialogMessageW+0x19a

USER32.dll!GetWindowLongPtrA+0x83

USER32.dll!SendMessageW+0x5d

SHELL32.dll!SHChangeNotification_Lock+0xd3

USER32.dll!TranslateMessageEx+0x2a1

USER32.dll!SetWindowTextW+0x277

USER32.dll!IsDialogMessageW+0x169

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!KillTimer+0x1a

DUser.dll+0x10f4

DUser.dll+0x11fa

USER32.dll!KillTimer+0x61

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!PeekMessageW+0xba

USER32.dll!GetKeyState+0xee

USER32.dll!PeekMessageA+0x57

SHLWAPI.dll!Ordinal166+0x83

SHELL32.dll!ExtractIconW+0x2f8

SHELL32.dll!StgMakeUniqueName+0xdd585

SHELL32.dll!StgMakeUniqueName+0xdd6ce

SHELL32.dll!Ordinal733+0x586da

explorer.exe+0x3bb9f

explorer.exe+0x3844f

explorer.exe+0x12b0

USER32.dll!TranslateMessageEx+0x2a1

USER32.dll!SetWindowTextW+0x277

USER32.dll!IsDialogMessageW+0x169

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!IsDialogMessageW+0x19a

USER32.dll!GetWindowLongPtrA+0x83

USER32.dll!SendMessageW+0x5d

SHELL32.dll!SHChangeNotification_Lock+0xd3

USER32.dll!TranslateMessageEx+0x2a1

USER32.dll!SetWindowTextW+0x277

USER32.dll!IsDialogMessageW+0x169

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!KillTimer+0x1a

DUser.dll+0x10f4

DUser.dll+0x11fa

USER32.dll!KillTimer+0x61

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!PeekMessageW+0xba

USER32.dll!GetKeyState+0xee

USER32.dll!PeekMessageA+0x57

SHLWAPI.dll!Ordinal166+0x83

SHELL32.dll!ExtractIconW+0x2f8

SHELL32.dll!StgMakeUniqueName+0xdd585

SHELL32.dll!StgMakeUniqueName+0xdd6ce

SHELL32.dll!Ordinal733+0x586da

explorer.exe+0x3bb9f

explorer.exe+0x3844f

explorer.exe+0x12b0

USER32.dll!TranslateMessageEx+0x2a1

USER32.dll!SetWindowTextW+0x277

USER32.dll!IsDialogMessageW+0x169

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!IsDialogMessageW+0x19a

USER32.dll!GetWindowLongPtrA+0x83

USER32.dll!SendMessageW+0x5d

SHELL32.dll!SHChangeNotification_Lock+0xd3

USER32.dll!TranslateMessageEx+0x2a1

USER32.dll!SetWindowTextW+0x277

USER32.dll!IsDialogMessageW+0x169

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!KillTimer+0x1a

DUser.dll+0x10f4

DUser.dll+0x11fa

USER32.dll!KillTimer+0x61

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!PeekMessageW+0xba

USER32.dll!GetKeyState+0xee

USER32.dll!PeekMessageA+0x57

SHLWAPI.dll!Ordinal166+0x83

SHELL32.dll!ExtractIconW+0x2f8

SHELL32.dll!StgMakeUniqueName+0xdd585

SHELL32.dll!StgMakeUniqueName+0xdd6ce

SHELL32.dll!Ordinal733+0x586da

explorer.exe+0x3bb9f

explorer.exe+0x3844f

explorer.exe+0x12b0

USER32.dll!TranslateMessageEx+0x2a1

USER32.dll!SetWindowTextW+0x277

USER32.dll!IsDialogMessageW+0x169

ntdll.dll!KiUserCallbackDispatcher+0x1f

USER32.dll!IsDialogMessageW+0x19a

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1 Reply
bls
Level 8

Re: Windows Explorer randomly hangs after latest McAfee update

After further investigation, it now appears that the hang was caused by DisplayFusion (www.displayfusion.com). Curious that the problem only showed up recently after a McAfee update, as I've been running DF for several months without problem.

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