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Internet Explorer Hangs on Launch

Posted on 2008-10-20
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Last Modified: 2013-12-09
A user recently brought her laptop to me and said that it Internet Explorer doesnt work anymore after her daughter attempted to install something on it from school. What this "something" was is unknown other than it was installed via a thumb drive and it was supposed to help her connect to the school's network.

What I have observed so far is that when you launch IE7, the McAfee On-Access Scan Messages window pops up reporting the following:
Msg:  VirusScan Alert!
Name: C:\Program Files\Internet Explorer\iexplore.exe:KERNEL32.GetProcAddress
Detected As: BO:Writable BO:Heap
State: Blocked by Buffer Overflow Protection

After closing this window, IE7 hangs and cannot be closed unless I use Task Manager to End Task.  The window can be minimized though.

I reviewed the Event Logs and found the same message as above in the App Log as well as the follow message:

Error Type: Error
Event Source: Application Hang
Event Category: (101)
Event ID: 1002
Description: Hanging application iexplore.exe, version 7.0.6000.16674, hanging module hungapp, version 0.0.0.0, hang address 0x00000000.

I have also review the network connection TCP/IP settings and these all appear to be in their normal state of dynamic allocation.

A complete system scan using McAfee came up with nothing and a complete system scan using SpyBot Search and Destroy only found normal cookie violations which have since been cleansed with no effect on the issue.

Please let me know if there is any more information needed to help solve this problem.  Thanks, in advanced, for any assistance provided.

Max Rawson

p.s. I also notice a new .exe on the desktop with the following name: Dokumente und EinstellungenAll UsersStartmenuProgrammeAutostartoffice.exe.  
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Question by:Spectralux
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two_people_hk earned 500 total points
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Hi,
Please run in safe mode and scan the virus for whole computer.
after that try to reset IE7 Properties or reinstall it.
Reset:
http://blogs.msdn.com/ie/archive/2006/06/12/628499.aspx
Reinstall:
http://support.microsoft.com/kb/917964
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Author Closing Comment

by:Spectralux
Comment Utility
Thanks for the tip...resetting IE7 while in safe mode was all that was needed. No need to rescan the entire drive.
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Expert Comment

by:Adrian_121
Comment Utility
Hi, that sounds as if an Add on has been picked up mcafee as a virus. In this case mcafee will not allow it run making IE think it has crashed. Disabling Mcafee might make IE work but will leave you susceptible to whatever Mcafee was trying to protect you from.

The best thing would be to goto control panel, open Internet Options, click the programs tab and click manage add-ons. Here you can disable everything regardless of whether it is microsoft signed or not and then re-open IE. When it opens successfully only then must you first re-enable all microsoft signed add-ons. Start IE after doing this and see what happens. If it still works enable the others one by one!

Hope this helps!
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