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Windows 7: CompatTelRunner.exe

05 Sep 2015   #1
CJW

7 Pro. 64Bit w/SP1
 
 
CompatTelRunner.exe

My Avast Internet Security popped-up a message yesterday asking if I wanted to Allow/Deny the file CompatTelRunner.exe to run. I Denied.
I read a few posts on various forums about CompatTelRunner.exe & not exactly sure how it got on my comfuser, since I don't allow automatic updates & prefer to check for updates myself.

In any case, I did find articles that this is related to Update KB2952664 & it did get on my comfuser.
Is uninstalling KB2952664 enough to wipe CompatTelRunner.exe off my comfuser/is there more to it?


My System SpecsSystem Spec
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05 Sep 2015   #2
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

Wouldn't hurt to download and run Malwarebytes (free), dont forget to Uncheck enable full trial version.
Its part of the W10 upgrade process, it was flagged because its a telemtry prog and Avast hasn't updated the False/posative table

Roy
My System SpecsSystem Spec
06 Sep 2015   #3
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

Compattelrunner is part of the OS - specifically, it's part of the updates that prepare the system for Windows 10 installation and occasionally send MS reports of potential compatibility problems so that they can be incorporated into the process.

DO NOT just attempt to delete the file(s) concerned - this is likely to cause Windows Update to stop functioning.

You can uninstall the relevant updates and hide them, if you want.
My System SpecsSystem Spec
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07 Sep 2015   #4
CJW

7 Pro. 64Bit w/SP1
 
 

I'll try uninstalling this tomorrow as well as scan w/Malwarebytes & Avast.

I am NOT going to get 10 for a few more months & don't want/need this on my computer. Plus, I checked today & even though I have Windows Update set to 'Never check for updates' (I like to check myself), Microsoft has installed 1 update (KB915597 twice) w/o my knowledge. I understand these are Windows Defender Definition updates & I that's ok, but I did NOT ask for them myself.

Could there be a way Microsoft is automatically turning on updates briefly w/o user knowledge?
I also read Microsoft is going to slip user-tracking tools into 7 via updates KB3068708, KB3022345, KB3075249 & KB3080149.
This is a smart move Microsoft!
My System SpecsSystem Spec
07 Sep 2015   #5
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

Defender updates are installed by Defender and not by Windows Update - WU is simply the mechanism used by default.
My System SpecsSystem Spec
08 Sep 2015   #6
CJW

7 Pro. 64Bit w/SP1
 
 

I didn't get a chance to do the uninstalling today.

When I type 'Update' into the Orb, click on Windows Update, choose View Update History; I can see both Windows Defender Definition Updates.

When I go through Control Panel>Programs>Programs & Features>Installed Updates; I don't see these 2 Windows Defender Definition Updates.

I never checked before, but is this normal?
My System SpecsSystem Spec
09 Sep 2015   #7
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

Perfectly normal - Defender updates aren't uninstallable in the same way as ordinary updates - in fact I'm not certain they are uninstallable at all.
My System SpecsSystem Spec
10 Sep 2015   #8
CJW

7 Pro. 64Bit w/SP1
 
 

After having to uninstall a few updates (KB2977759, KB2952664, KB3068708, KB3022345, KB3075249 & KB3080149; I did a full computer search for the word Compattelrunner & none were found. I hope I did get rid of this completely.

I then did a BootTime Scan w/Avast, a Full System Scan w/Avast & a Full System Scan w/MalwareBytes.
I've attached the results below. Please let me know if anything is bad.


Attached Files
File Type: txt Avast! Boot Scan.txt (262 Bytes, 8 views)
File Type: txt Avast! Full Scan.txt (248.7 KB, 4 views)
File Type: txt MalwareBytes.txt (1.2 KB, 14 views)
My System SpecsSystem Spec
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 CompatTelRunner.exe




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