[Unlucky guy]

It was working the whole day and then it happened again. Looking in the task manager I could see that also rundll32 this time was working very hard eating a lot of CPU. This is the first time i see this.

Might be worth saying that I never could see rundll32 running in the task manager before this problem started which makes me think that it is part of the problem.

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Do you use Bluetooth at all ?

Download AVZ tool from here to your desktop
Unzip all files to a folder on your desktop
Open the folder and double click the AVZ icon
When the tool opens select "File" > "Standards scripts"


Place a tick in :


5. Update signature database

Then press "Execute selected scripts"


Once that has execute then
select "File" > "Standards scripts"
Place a tick in :

3. Advanced System Analysis with malware removal mode enabled


When finished look in the folder AVZ4 on your desktop
Open the LOG folder
Attach virusinfo_syscure to your next post

[Essexboy]

Do you use Bluetooth at all ?

Download AVZ tool from here to your desktop
Unzip all files to a folder on your desktop
Open the folder and double click the AVZ icon
When the tool opens select "File" > "Standards scripts"


Place a tick in :


5. Update signature database

Then press "Execute selected scripts"


Once that has execute then
select "File" > "Standards scripts"
Place a tick in :

3. Advanced System Analysis with malware removal mode enabled


When finished look in the folder AVZ4 on your desktop
Open the LOG folder
Attach virusinfo_syscure to your next post

[Unlucky guy]

I  rarely use bluetooth, haven't used it yet on this computer. I tried running avz a couple of time but it always ends up not responding in the middle of the scan...

[Essexboy]

OK could you open Task Manager go to the startup tab
Then disable BTMTrayAgent
As that is the only element to use rundll32
Reboot and let me know how that goes

[attachment=76278:Capture.JPG]

[Unlucky guy]

I assume that would be the btmshellex as I dont have  BTMTrayAgent.

I will let it run for a while and report back if I experience it again, yesterday it only happened once so it's hard to reproduce...

[Essexboy]

Yes that is it, as Bluetooth relies on external signals it may very transient

[Unlucky guy]

It's been a few days now and while I haven't been using my computer a whole lot making it a bit harder to make sure my problem with explorer dying has not occurred again. I don't understand though how bluetooth can  affect my system in this way.

 

If I ever feel like using bluetooth for whatever reason should I reactivate it and reboot my computer? 

I'm also wondering about "bluetooth device monitor" and "bluetooth obex service" that I still have running in the task manager, should I do something about those?

[Essexboy]

Yes you can use sysinternals autoruns to disable those https://technet.micr...s/bb963902.aspx

Blue tooth will take a lot of system resources initially when it detects a signal

[Unlucky guy]

Just now I actually had it happen again even with bluetooth disabled...

The windows error report (werfault.exe) started though, maybe if there's a way to access that information that could help?

 

Considering it only happens from time to time I guess I could just let it be but it is a bit annoying knowing that something could be wrong.

[Essexboy]

WER is an occasional runner in windows so if it does not happen to often then it can be ignored

[Essexboy]

Due to lack of feedback, this topic has been closed.

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