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Explore opening slowly

Posted on 2015-02-20
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Last Modified: 2015-02-23
I have a lenovo laptop that is really slow to open Internet Explore. I am repeatedly getting  the following error in Event Viewer. I believe this is the cause.

Faulting application name: DllHost.exe, version: 6.1.7600.16385, time stamp: 0x4a5bca54
Faulting module name: ESENT.dll, version: 6.1.7601.17577, time stamp: 0x4d79bfba
Exception code: 0xc0000005
Fault offset: 0x000000000010ca4c
Faulting process id: 0x1268
Faulting application start time: 0x01d04d3ec40e7433
Faulting application path: C:\windows\system32\DllHost.exe
Faulting module path: C:\windows\system32\ESENT.dll
Report Id: 01d37917-b932-11e4-9c6e-dc0ea183fb65
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Question by:John Lygouriatis
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Expert Comment

by:jcimarron
ID: 40622079
John Lygouriatis --
Scan for viruses and malware.
If no help, run a System Restore to a time before the problem started.
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Author Comment

by:John Lygouriatis
ID: 40622105
I have scanned extensively for virus, malware and rookits. There was some malware but nothing significant. I have ran SFC and it reported no errors. Chkdsk had errors and corrected them the first time, second time round reported no problems. Its a clients laptop and i'm not sure when the issue started I maybe able to tell by event logs. Any other suggestions.
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Author Comment

by:John Lygouriatis
ID: 40622139
According to Event Viewer problem started on 02/02/2015. But one of the virus scans I ran appears to have deleted all my restore points. I only have one restore point dated 2 days ago.
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Expert Comment

by:jcimarron
ID: 40622176
John Lygouriatis--
Did you click the button for "Show more Restore Points" on the screen just before you start the actual scan?

Are other PC's having the same slow down problem?
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Author Comment

by:John Lygouriatis
ID: 40622223
Yes I did and there is only the one restore point created by combofix. No other computer is experiencing this. Google Chrome on same laptop is working fine. The above error seems to be generated every time I launch IE. If I launch IE with no add-ons it still takes a long time to start.  Seems to work good in safe mode but not if I use MSConfig to do a selective start-up only launching Windows services and no start-up items.
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Expert Comment

by:jcimarron
ID: 40622413
John Lygouriatis--
"Seems to work good in safe mode "
This suggests there are some add-ons or other programs running that are slowing things.
IE Tools|Internet Options|Advanced tab|Reset.
If no help run Process Explorer to see what unexpectied programs are running.
http://technet.microsoft.com/en-us/sysinternals/bb896653
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Author Comment

by:John Lygouriatis
ID: 40625912
I had already did a reset on IE. it was one of the first things i tried. There does not appear to be anything running that should not be. The system resources are normal. I did find another piece of info in the Event Viewer. Although this does not show as an 'Error' but 'Information'. This gets generated just before the other error does.

Fault bucket 83519886, type 4
Event Name: APPCRASH
Response: Not available
Cab Id: 0

Problem signature:
P1: DllHost.exe
P2: 6.1.7600.16385
P3: 4a5bca54
P4: ESENT.dll
P5: 6.1.7601.17577
P6: 4d79bfba
P7: c0000005
P8: 000000000010ca4c
P9:
P10:

Attached files:
C:\Users\Judy & Bob\AppData\Local\Temp\WERA997.tmp.WERInternalMetadata.xml

These files may be available here:
C:\Users\Judy & Bob\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_DllHost.exe_345f75468522b07587e4412d6d87d4a205f3e8a_0a34c023

Analysis symbol:
Rechecking for solution: 0
Report Id: 9975e081-bb6e-11e4-996c-dc0ea183fb65
Report Status: 0

I an certain these errors are the cause of the slow launch of IE.
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Accepted Solution

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jcimarron earned 500 total points
ID: 40626188
John Lygouriatis--
Run scans for malware and viruses.
dllhost.exe may be corrupt.   dll.host.exe is another name for COM Surrogate.
Create a new user profile.

There are two very long winded references that may help and explain the above suggestions.
http://answers.microsoft.com/en-us/windows/forum/windows_7-security/dllhostexe-com-surrogate/158a7a63-8807-42b8-83e1-51d3391468d3

http://www.bleepingcomputer.com/forums/t/553407/multiple-dllhostexe-com-surrogate-instances/
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Author Comment

by:John Lygouriatis
ID: 40626607
Creating a new User Profile was a good work around. I was able to transfer all data to new profile and everything is working.

I'd also like to mention that if I launched IE as Administrator it also work fine.
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Author Closing Comment

by:John Lygouriatis
ID: 40626624
I didn't really find what the problem was but jcimarron did supply a good workaround. Thanks
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Expert Comment

by:jcimarron
ID: 40626873
John Lygouriatis--
Glad to have helped
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