Hello,
Thank you for keeping us updated.
It seems that the issue is resolved.
I appreciate your efforts and time.
Please do let us know if you need any assistance in regards to Windows.
Thank you
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Hi,
My System is Windows 7 SP1 Home Premium. Recently the Event Viewer has shown the following Audit failure after every fresh startup after the system has been powered off:
Record Number : 145537
Log Type : Security
Event Type : Audit Failure
Time : 28/06/2016 18:57:39
Source : Microsoft-Windows-Security-Auditing
Category : 12290
Event ID : 6281
User Name :
Computer : Chris-PC
Event Data Length : 0
Record Length : 352
Event Description : Code Integrity determined that the page hashes of an image file are not valid. The file could be improperly signed without page hashes or corrupt due to unauthorized modification. The invalid hashes could indicate a potential disk device error. File Name: \Device\HarddiskVolume3\ProgramData\Trusteer\Rapport\store\exts\RapportMS\baseline\RapportIaso.sys
I have been in touch with IBM Trusteer Support but they have been unable to help - their initial suggestion was as follows:
In order to resolve this issue, please follow the steps below:
1. Run → Enter secpol.msc in the search box.
*Please note, that an error message may appear. Disregard it and wait for a few seconds until the "Local Security Policy" window appears.
2.Open “Local Policies”.
3.Open “Audit Policy”.
4.Enter “Auditor privilege use”
5.Verify both check-boxes are unchecked.
6. Restart your computer.
However Windows 7 Home Premium does not have the the group policies editor 'secpol.msc' so I am unable to carry out their suggestion. Because of this they advised I contact Microsoft.
I have ruled out 'disk error' by running HD Tune which found no errors on the hard drive. IBM appear to have ruled out a problem with my malware protection (Avast 2016 anti-virus and Comodo Firewall) after I had sent the details to them.
The problem has occurred over the last few days (starting Monday 27 June 2016).
Any advice and suggestions would be much appreciated, thank you.
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Hello,
Thank you for keeping us updated.
It seems that the issue is resolved.
I appreciate your efforts and time.
Please do let us know if you need any assistance in regards to Windows.
Thank you
Thank you Ratandeep and ElderN,
You are both showing much fortitude in remaining on my case. Regarding disabling driver signature enforcement, although I get the integrity warning about RapportIaso.sys in the Event Viewer, the driver loads successfully just afterwards. The same was true for the Malwarebytes Anti-Rootkit file. Rapport and Malwarebytes Anti-Rootkit have both worked correctly since the problem first occurred.
I'm getting out of my comfort zone with all of this so I may soon call it it a day and put up with the warning but that is not to say I have not appreciated both your efforts on my behalf. Even if the integrity warning is not resolved, I have picked up a lot and learned a few things so it won't have been a waste of time. I will let you know when I finally give up.
Cheers and regards.
Hello,
Thank you for your reply.
Unfortunately, log file is not accessible.
You may also try starting Windows 7 in "Disable Driver Signature Enforcement" mode which allows drivers containing improper signatures to be installed.
Afterwards, you may check the issue.
Refer:
https://support.microsoft.com/en-us/help/17419/windows-7-advanced-startup-options-safe-mode
Thank you
Those instructions in that link are for Windows XP and you are running Windows 7.
The sigverif,exe program in Windows XP is not the same as Windows 7 so step 2 here will not work:
To use the Sigverif.exe tool, follow these steps:
In Windows XP the Advanced options for sigverif looks like this:
As you may have discovered, there is no Look for other files that are not digitally signed in the Windows 7 version of sigverif.exe.
Another wild goose chase.