Windows 10: Windows Defender won't let me add C:\Windows\Fonts as an exclusion...

Discus and support Windows Defender won't let me add C:\Windows\Fonts as an exclusion... in AntiVirus, Firewalls and System Security to solve the problem; Windows Defender is slowing my computer startup by scanning every single font I have installed (over 1000 of them), and it takes several minutes,... Discussion in 'AntiVirus, Firewalls and System Security' started by Stargate38, Sep 6, 2017.

  1. STARGATE38
    Stargate38 Win User

    Windows Defender won't let me add C:\Windows\Fonts as an exclusion...


    Windows Defender is slowing my computer startup by scanning every single font I have installed (over 1000 of them), and it takes several minutes, during which my computer slows down considerably (takes 2 minutes for iTunes to start). I always scan my fonts with Defender and VirusTotal before I install them, so I want to add C:\Windows\Fonts to the exclusion list. I already tried Virus & Threat Protection Settings->Add an exclusion->Folder->type in "C:\Windows\Fonts", but it says this:

    Code: Fonts The folder name is invalid.[/quote] How do I get it to add? I've already tried %WinDir%\Fonts, but that comes up with the exact same error. What's keeping it from adding that folder? *Confused Is there some workaround to get it added?

    :)
     
    Stargate38, Sep 6, 2017
    #1
  2. DOUGLASBARTONND
    douglasbartonND Win User

    System and Security

    System and Security

    Defender

    Exclusions

    Windows Defender Won't scan excluded files, making your PC more vulnerable to Malware

    Add an exclusion

    When I get to that page I see

    C:\windows\system321\Sppextcomobj.Exc

    C:\windows\system321\SppextcomobjHook.Dill

    C:\windows\system321\SppetxcomobjPatcher.ext

    What do I do next?

    Also when I get a notification to run Defender .. do I have to wait till it's finished?
     
    douglasbartonND, Sep 6, 2017
    #2
  3. DANISH_AL
    Danish_al Win User
    Windows Defender won't complete a full scan

    Thank you so much! This was excactly what was wrong. I removed the 'c:' from defender exclusion and all was ok again.

    This saved me a reinstall of win 10 (1607 version). Again: Thanks !
     
    Danish_al, Sep 6, 2017
    #3
  4. STARGATE38
    Stargate38 Win User

    Windows Defender won't let me add C:\Windows\Fonts as an exclusion...

    Anyone? I want to increase my system performance as much as possible, and this crazy problem is preventing me from doing that. I tried adding in a DWORD value under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths, but regedit said "Cannot create value: Error writing to the registry". I already tried taking ownership of the keys, and giving my user account (and Administrators) full control permissions, but I still get the same error. How do I unlock the Defender registry keys so I can add the Fonts folder to Paths? *Mad I also tried running a .bat file containing "REG ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Windows\Fonts" /t REG_DWORD /d 0 /f" as SYSTEM (via Task Scheduler), but got error 0x80070001.
     
    Stargate38, Sep 17, 2017
    #4
Thema:

Windows Defender won't let me add C:\Windows\Fonts as an exclusion...

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