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  1.    11 Oct 2017 #11
    Join Date : Aug 2016
    S/E England
    Posts : 4,520
    10 Home x64 (1709) (10 Pro on 2nd pc)

    I'm with dalchina on this. The most probable reason is that the 'notepad.exe' that's running is in fact malware hiding under the Notepad name. Have you looked at its Properties in Task Manager and compared it with the genuine example dalchina gave?
      My ComputersSystem Spec
  2.    11 Oct 2017 #12
    Join Date : Mar 2017
    Posts : 5,829
    64-bit Windows 10 Pro

    Quote Originally Posted by Bree View Post
    I'm with dalchina on this. The most probable reason is that the 'notepad.exe' that's running is in fact malware hiding under the Notepad name. Have you looked at its Properties in Task Manager and compared it with the genuine example dalchina gave?
    Has to be something like that, I don't use Notepad but Notepad++ and when I used UltraEdit a large program, it never used 40% everything I am running right now only uses 3 to 10%
      My ComputerSystem Spec
  3.    11 Oct 2017 #13
    Join Date : Feb 2014
    Posts : 9,366
    Windows 10 Professional

    Right click the entry in question to see if you can open it's file location:

    Click image for larger version. 

Name:	000041.png 
Views:	31 
Size:	20.5 KB 
ID:	157588
    Last edited by Edwin; 12 Oct 2017 at 03:45.
      My ComputersSystem Spec
  4.    11 Oct 2017 #14
    Join Date : Jan 2015
    UK, Midlands
    Posts : 11,025
    Win 10 Pro (1703)

    SFC /Scannow will not fix a malware problem, assuming that's what it is. You need to run appropriate malware detection software. Google research can suggest which may be appropriate.
      My ComputerSystem Spec
  5.    13 Oct 2017 #15
    Join Date : Nov 2016
    Posts : 18
    Windows 10 home ( 64-bit )
    Thread Starter

    Quote Originally Posted by Josey Wales View Post
    Is Notepad the only program that does this?

    yes just the notepad that consumes the CPU
      My ComputerSystem Spec
  6.    14 Oct 2017 #16
    Join Date : Nov 2016
    Posts : 18
    Windows 10 home ( 64-bit )
    Thread Starter

    Quote Originally Posted by Edwin View Post
    Right click the entry in question to see if you can open it's file location:

    Click image for larger version. 

Name:	000041.png 
Views:	31 
Size:	20.5 KB 
ID:	157588
    it opens
    C:\Windows
      My ComputerSystem Spec
  7.    15 Oct 2017 #17
    Join Date : Jan 2015
    UK, Midlands
    Posts : 11,025
    Win 10 Pro (1703)

    Hi, please post screenshots like this:
    Click image for larger version. 

Name:	1.jpg 
Views:	4 
Size:	86.1 KB 
ID:	158172

    Click image for larger version. 

Name:	2.jpg 
Views:	5 
Size:	112.2 KB 
ID:	158173

    The second is what I see if I click Open File Location.
      My ComputerSystem Spec
  8.    15 Oct 2017 #18
    Join Date : Nov 2016
    Posts : 18
    Windows 10 home ( 64-bit )
    Thread Starter

    Quote Originally Posted by dalchina View Post
    Hi, please post screenshots like this:
    Click image for larger version. 

Name:	1.jpg 
Views:	4 
Size:	86.1 KB 
ID:	158172

    Click image for larger version. 

Name:	2.jpg 
Views:	5 
Size:	112.2 KB 
ID:	158173

    The second is what I see if I click Open File Location.
    hi thanks for the help so far .. much appreciated

    Click image for larger version. 

Name:	screenshot2.jpg 
Views:	4 
Size:	154.5 KB 
ID:	158313


    Click image for larger version. 

Name:	notepadscreenshot.jpg 
Views:	5 
Size:	233.1 KB 
ID:	158312
      My ComputerSystem Spec
  9.    15 Oct 2017 #19
    Join Date : Aug 2016
    S/E England
    Posts : 4,520
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Your screenshot of Task Manager and the notepad.exe properties shows the same size and creation date as in @dalchina's earlier screenshot. So it looks like it is the real notepad that's running.

    But - it isn't running the way it should. In your Task Manager there should be a > to the left of notepad, and clicking on it should open up a list of the Notepad instances that are running, along with the name of the document that's open (or 'Untitled - Notepad' if none).

    Yours doesn't show that (compare it with dalchina's screenshot). Notepad is running - yes, but not the way it's supposed to. It appears to be in the list of background processes, not in the list of Apps where it should be. Could something be trying to run it as a service? Perhaps some malware set this up, but failed to replace the genuine notepad.exe with its counterfeit one?

    As a first step I'd look at the Startup tab in Task Manager for clues.
      My ComputersSystem Spec
  10.    15 Oct 2017 #20
    Join Date : Aug 2016
    S/E England
    Posts : 4,520
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Quote Originally Posted by Bree View Post
    Notepad is running - yes, but not the way it's supposed to. It appears to be in the list of background processes...
    I can reproduce this (though not the high cpu use).

    Without logging out I switched to another user, opened Notepad, then switched back to the first user. Task Manager shows the other user's Notepad running as a background process, but it's not shown in my Apps because it's not me that's running Notepad.

    Do you have any other users signed in at the same time as you? Have a look at Task Manager's Users tab. You will also see Notepad along with the user name running it on Task Manager's Details tab.

    Click image for larger version. 

Name:	Notepad as a process.PNG 
Views:	4 
Size:	58.0 KB 
ID:	158325
      My ComputersSystem Spec

 
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