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CUI.exe crashes repeatedly when using 64 bit Firefox (Nightly) on some web sites

Created: 18 Nov 2013 | 1 comment

For several months now, I have experienced multiple CUI.exe crashes, sometimes daily ... took me a while to narrow down the trigger conditions.  From what I have found, this behavior is only exhibited when browsing certain web sites with 64 bit Firefox (Nightly), usually ones that contain Flash or other plug-in extensions, like IE Tab.  Effects range from annoying (3 or more crash dialogs shown) to frustrating (CUI.exe repeatedly crashes without notification, and blocks system use for seconds at a time until browser is terminated or system is retarted ... I suspect the CUI.exe restart process steals focus from whatever application I am using).  I reported my errors to my company MIS department, but their response was basically "use another browser" ... I think this is a bug that should be fixed.  Has anyone else had problems with 64 bit Firefox browsers and DLP software?  Probably not a lot I can do as an end user (other than use a different browser), but does anyone have any ideas how I can get this fixed?

Windows event log shows:

Faulting application name: cui.exe, version: 11.1.2000.11034, time stamp: 0x4eb88257
Faulting module name: MSVCR90.dll, version: 9.0.30729.6161, time stamp: 0x4dace4e7
Exception code: 0xc0000417
Fault offset: 0x00000000000552d4
Faulting process id: 0x1864
Faulting application start time: 0x01cee4aaed649ff6
Faulting application path: C:\Program Files\Manufacturer\Endpoint Agent\cui.exe
Faulting module path: C:\Windows\WinSxS\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_08e61857a83bc251\MSVCR90.dll
Operating Systems:

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yang_zhang's picture

There are may be some conflictions between CUI.exe and the special extension of Firefox. Suggest you to call the technical support engineer of Symantec to collect the debug log of DLP agent to find out the root cause.

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