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Windows Defender Issue, need urgent help!


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Hi, I downloaded Malwarebytes for windows and used until my trial is over, I uninstalled it and now Windows Defender is not working, I tried everything I can find on the internet but nothing worked. I already have a ticket 3206619. I collected logs with the support program and sent last week but still no answers. I don`t want to install another virus program and change my logs again so please help my problem get solved asap, I can not go online or do anything without Windows defender working.


Thanks in advance.

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5 minutes ago, Loreathan said:

, I uninstalled it and now Windows Defender is not working,

If you did not use the support to uninstall Malwarebytes please do so now.

Please do the following Uninstall and reinstall using the Malwarebytes Support Tool

Please have lots of patience with the tool.  The first phase is a cleanup and does require a Windows Restart.
After the Restart, it may take 2 - 3 - 4 minutes till the Support tool screen shows up.   Please be patient and have faith.  Wait for it, whatever it takes.
The 2nd phase is where it offers to do a new Install. Say no and close the tool if you are not going to reinstall.

 Let me know if that clears up the issue or not. IF not please attach you support log here.

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  • Root Admin

Hello @Loreathan

Yes, I found your ticket. It was created on Thursday and average response time due to high volume is between 3 to 5 business days but could be longer. If you like though I can work with you to see what's going on and try to fix the issue.

If you would like me to assist you please let me know and run the following scan to get me some logs to see what's happening on your system.


Please download Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system.
You can check here if you're not sure if your computer is 32-bit or 64-bit

  • Double-click to run it. When the tool opens click Yes to disclaimer.
  • Press the Scan button.
  • It will make a log (FRST.txt) in the same directory the tool is run. Please attach it to your reply.
  • The first time the tool is run, it also makes another log (Addition.txt). Please attach it to your reply as well.

Thank you



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  • Root Admin

You have an old outdated version of Java on the system. I would highly recommend that you go to Control Panel, Programs, Programs and Features and uninstall

Java 8 Update 221

If you really need Java (most users do not) then make sure you keep it up to date at all times.  https://java.com


The Event Logs also show you have the following error

Application errors:
Error: (09/28/2020 02:28:06 PM) (Source: ESENT) (EventID: 455) (User: )
Description: svchost (9096,R,98) TILEREPOSITORYS-1-5-18: Error -1023 (0xfffffc01) occurred while opening logfile C:\WINDOWS\system32\config\systemprofile\AppData\Local\TileDataLayer\Database\EDB.log.

Please see if the following fix works for that issue

Fix Tilerepository error



The following fix should remove some Policies that look like they may be preventing Windows Defender from showing and working properly. Currently, Defender is not even registered in WMI
It will also clean up other issues on the system.

Please download the attached fixlist.txt file and save it to the Desktop or location where you ran FRST from.
NOTE. It's important that both files, FRST or FRST64, and fixlist.txt are in the same location or the fix will not work.

Please make sure you disable any real time antivirus or security software before running this script. Once completed make sure you re-enable it.

NOTICE: This script was written specifically for this user, for use on this particular machine. Running this on another machine may cause damage to your operating system that cannot be undone.

Run FRST or FRST64 and press the Fix button just once and wait.
If the tool needs a restart please make sure you let the system restart normally and let the tool complete its run after restart.
The tool will make a log on the Desktop (Fixlog.txt) or wherever you ran FRST from. Please attach or post it to your next reply.

Note: If the tool warned you about an outdated version please download and run the updated version.

NOTE-1:  This fix will run a scan to check that all Microsoft operating system files are valid and not corrupt and attempt to correct any invalid files. It will also run a disk check on the restart to ensure disk integrity. Depending on the speed of your computer this fix may take 30 minutes or more.

NOTE-2: As part of this fix all temporary files will be removed. If you have any open web pages that have not been bookmarked please make sure you bookmark them now as all open applications will be automatically closed. Also, make sure you know the passwords for all websites as cookies will also be removed. The use of an external password manager is highly recommended instead of using your browser to store passwords.

The following directories are emptied:

  • Windows Temp
  • Users Temp folders
  • Edge, IE, FF, Chrome and Opera caches, HTML5 storages, Cookies and History
  • Recently opened files cache
  • Flash Player cache
  • Java cache
  • Steam HTML cache
  • Explorer thumbnail and icon cache
  • BITS transfer queue (qmgr*.dat files)
  • Recycle Bin

Important: items are permanently deleted. They are not moved to quarantine. If you have any questions or concerns please ask before running this fix.

The system will be rebooted after the fix has run.




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  • Root Admin

Click on Start and type in PowerShell. Right click and select "Run as administrator" on Windows Powershell app.

Then copy and paste the following into the PowerShell command line and press the Enter key, which should put back the Store and removed Apps. If you really don't want specific apps we can manually remove them when done.

Get-AppxPackage -allusers Microsoft.WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}


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  • Root Admin

Glad we could help.

If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this topic with your request.

This applies only to the originator of this thread. Other members who need assistance please start your own topic in a new thread.

Please review the following for Tips to help protect from infection

Thank you



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