Jump to content

Failed to install malwarebytes.

Recommended Posts

I probably need a fixlist for this problem, so basically I'm on a debloated Windows 11 that doesn't have windows defender and i can't install malwarebytes it says "An error has occurred and Malwarebytes will not install on your computer." some required services are most likely missing that prevents malwarebytes to install/run properly. I know it's an obvious user error but i need to make this work on this version of windows. Thank you.


FRST.txt FSS.txt Addition.txt

Link to post
Share on other sites

Good morning. Hello @RinZler  Hold on. This system is missing the Windefend ( Microsoft Defender antivirus registry entry for that service). Just hold on. I am reviewing all your reports and will guide you to getting the service back, properly. Do not do anything on your own. Just kindly have a bit of patience.

Link to post
Share on other sites

Hello @RinZler

Now, a custom script to insure to have the Microsoft Defender for Windows 11 proper service entry.

We will use FRST64.exe  on the Downloads\Others  folder to run a custom script.    The system will be rebooted after the script has run.

This custom script is for  Rinzler  only / for this machine only.

  • Please be sure to Close any open work files, documents,  any apps you started yourself  before starting this.


  • If there are any CD / DVD / or USB-flash-thumb or USB-storage drives attached,  please disconnect any of those.
  • Please save the (attached file named) FIXLIST.txt   to the   Downloads\Others   folder

Fixlist.txt              <<< - - - - -

Then, Start the Windows Explorer and then, go  to the Downloads\Others  folder.

RIGHT click on FRST64.exe    and select RUN as Administrator and allow it to proceed.  Reply YES when prompted to allow to run.
  to run the tool. If the tool warns you the version is outdated, please download and run the updated version.
IF Windows prompts you about running this, select YES to allow it to proceed.

  • IF you get a block message from Windows about this tool......

               click line More info information on that screen
               and click button Run anyway on next screen.

  • on the FRST window:

Click the Fix button just once, and wait.



PLEASE have lots and lots of patience when this starts. You will see a green progress bar start. Lots of patience. 
If you receive a message that a reboot is required, please make sure you allow it to restart normally.
The tool will complete its run after restart.
When finished, the tool will make a log ( Fixlog.txt) in the same location from where it was run.

Please attach the FIXLOG.txt with your next reply later, at your next opportunity.  This here is not a one-shot-cure-all.  There will be more to do later.  

Link to post
Share on other sites

@Maurice Naggar I appreciate the help! I already switch to a better windows version but this will come in handy if i got a problem again with defender. I just didn't expect that Malwarebytes would depend on it and i've seen them a few times running together in the background process which isn't good in my opinion since i already have a real time protection with malwarebytes but thank you with the help though. I also discovered that i can run it with the defender disabled just don't delete the defender and it will run fine.

Link to post
Share on other sites

Thanks for your note. Just to be real clear. Malwarebytes does not depend on MS Defender. Many folks have Malwarebytes Premium as well as the MS Defener on to insure to have all encompassing protections.

I am marking the case for closure. 

Consider using PatchMyPC, keep all your software up-to-date - https://patchmypc.com/home-updater#download

Keep your system and programs up to date. Several programs release security updates on a regular basis to patch vulnerabilities. Keeping your software patched up prevents attackers from being able to exploit them to drop malware.


Backup is your best friend.  Keep backups of your system on a regular basis to offline storage & keep those safe. https://forums.malwarebytes.com/topic/136226-backup-software/

It is not enough to just have a security program installed. Each pc user needs to practice daily safe computer and internet use.

Best  practices & malware prevention:
Follow best practices when browsing the Internet, especially on opening links coming from untrusted sources.
First rule of internet safety: slow down & think before you "click".
Never click links without first hovering your mouse over the link and seeing if it is going to an odd address ( one that does not fit or is odd looking or has typos).

Free games & free programs are like "candy". We do not accept them from "strangers".

Never open attachments that come with unexpected ( out of the blue ) email no matter how enticing.
Never open attachments from the email itself. Do not double click in the email. Always Save first and then scan with antivirus program.

Pay close attention when installing 3rd-party programs. It is important that you pay attention to the license agreements and installation screens when installing anything off of the Internet. If an installation screen offers you Custom or Advanced installation options, it is a good idea to select these as they will typically disclose what other 3rd party software will also be installed.
Take great care in every stage of the process and every offer screen, and make sure you know what it is you're agreeing to before you click "Next".

Use a Standard user account rather than an administrator-rights account when "surfing" the web.
See more info on Corrine's SecurityGarden Blog http://securitygarden.blogspot.com/p/blog-page_7.html

Only using the Standard-access-level user account when surfing and downloading / installing would have been a tremendous way to prevent the infections of this machine.

Don't remove ( or change )  your current login. Just use the new Standard-user-level one for everyday use while on the internet.


Keep your system and programs up to date. Several programs release security updates on a regular basis to patch vulnerabilities. Keeping your software patched up prevents attackers from being able to exploit them to drop malware.

For other added tips, read "10 easy ways to prevent malware infection"  

Stay safe.

Link to post
Share on other sites

This topic is now closed to further replies.
  • Recently Browsing   0 members

    • No registered users viewing this page.
Back to top
  • Create New...

Important Information

This site uses cookies - We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.