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Microsoft Register Server using 50% cpu

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My name is Maurice. I will be helping and guiding you, going forward on this case.

Are you looking at Task Manager ?  Can you provide a screen-grab-copy of the display of Task Manager?

I would caution that Task Manager is not necessarily a good way to make a judgement.

We need to get information from this machine in order to have the proper detail to help you forward.
 NOTE: The tools and the information obtained is safe and not harmful to your privacy or your computer, please allow the programs to run if blocked by your system.

    Download Malwarebytes Support Tool
    Once the file is downloaded, open your Downloads folder/location of the downloaded file
    Double-click mb-support- to run the report
        You may be prompted by User Account Control (UAC) to allow changes to be made to your computer. Click Yes to consent.
    Place a checkmark next to Accept License Agreement and click Next
    You will be presented with a page stating, "Get Started!"

    Do NOT use the button “Start repair” !
    Click the Advanced tab on the left column
    Click the Gather Logs button
    A progress bar will appear and the program will proceed with getting logs from your computer
    Upon completion, click a file named mbst-grab-results.zip will be saved to your Desktop. Click OK
    Please attach the ZIP file in your next reply.


Thank you.


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Thank you for providing the Support tool report file.

Just as an aside, on Chrome:  It tends to use a lot of memory over time.  I would suggest deleting the Cache in Chrome & then doing a Close & then restart Chrome the next time you need it.


Your pc is running a very old Build version of Windows 10.  I would urge you take a time out when you have a next chance & get the Windows 10 Build 1903 thru Windows Update.

I would like for you to do the following update & a couple of scans.  Don't let the number of lines below spook you out.  All in all they do not take a lot of time.

[ 1 ]

There is a brand new Version 3.8.3 of Malwarebytes for Windows.   Before going to get it, I suggest you Close all open work.

Then do a Windows Restart so that there is no pending file actions left hanging for Windows.

Then next

Start Malwarebytes.  Click Settings button >> Click the tab named Application

then click the grey bar "Install Application Updates"

Follow the prompts.  Allow it to update.  and if prompted to accept the new Version, click on Yes to allow it to begin.

Watch the process to insure the Upgrade runs, and finishes.


[ 2 ]

Let's do one new run with Malwarebytes for Windows.

Start Malwarebytes.

Click Settings. Click Protection tab & scroll down to Scan options.

On the section "Potential Threat Protection"
look down at the one "Potentially Unwanted Programs (PUPs)" look and make sure it is set to
"Always detect PUPS ".


look down at the one "Potential Unwanted Modifications (PUM)" look and make sure it is set to
"Always detect PUM ".

scroll all the way down to the section Automatic Quarantine
On the line "Automatically quarantine detected malware" be sure it is ON

Then once all set there, click on SCAN button
Then insure Threat scan has a check mark. Then click Start scan.
Review the results list.
Then I would suggest you make sure all lines have a check mark

To that end, if you click the very top left checkbox you can force all detected lines ( if any are detected)  to be selected for removal. Be sure each line is checked.


Then you can proceed to click on the blue button Quarantine selected.

In Malwarebytes.
Click the Reports button ( on the left )
Look for the "Scan Report" that has the most recent Date and time.

When located, click the check box for it and click on View Report.
Then click the Export button at the bottom left.
Then select Text File (*.txt)

Put in a name for that file and remember where the file is created.

Then attach that file with your next reply  ( later ).


[ 3 ]

I would suggest to download, Save, and then run Malwarebytes ADWCLEANER.

Please close Chrome and all other open web browsers after you have saved the Adwcleaner and before you start Adwcleaner.



Please download the current release for Malwarebytes AdwCleaner from here:


Go to the folder where you saved Adwcleaner. Double click Adwcleaner to start it.

At the prompt for license agreement, review and then click on I agree.


You will then see a main screen for Adwcleaner. ( if you do not see it right away, minimized the other open windows, so you can see Adwcleaner).

Then click on Dashboard button.

Click the blue button "Scan Now".


allow it a few minutes to finish the Scan.


You should then see a screen showing "Scan results".

Review what is listed. If something is listed that you know for sure is safe, then for that line, click the check-box on the left so that it is un-checked.

(NOTE, clicking the small right pointed little arrow, will cause the screen to refresh & show all line items . )


When ready, click on the button "Clean and repair".

If prompted to restart then click on "Clean & Restart Now".


When You see screen with "Your cleanup is complete", click on the View Log file button.

It should then show as a open window in your text editor ( normally Notepad).

Do a File >> Save As, given it a unique name and Save to your Desktop or some other permanent folder.


Kindly provide a copy of that run report. Attach it with reply.

When done with Adwcleaner, click the X button to Exit out.

[ 4 ]

The Upgrade for the Windows 10 will take a significant amount of time.  You want to do this when you have finished your own computer needs, and when there is some quiet block of time.   And have lots and lots of patience.


This Windows is running Windows 10 Build 1709.   which is from around fall of 2017.

what this machine needs is to upgrade to the Windows 10 build 1903.  You should be able to manually get it thru Windows Update.

It may take repeated tries with Windows Update till your pc is able to see that Update.  You should make a try each day, from here on out, till you see it offered.

The suggestion I have is to go to the Start menu, click the Windows Settings icon. Select Update & Security.  Click on Windows Update.

The Windows Update ( eventually) will have a display like this when it shows up.

Note that the display will show the new build in a new way, in the middle of the display.  You will need to click on the blue line marked "Download and install now"  when ready.




Getting that Windows build update will put this pc in a better position for a more secure operating system.


This build is metered and controlled by Microsoft.  If you do not get offered 1903, do keep trying.   I'd suggest trying every day or every other day, at the top of the hour.



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Keep rechecking Windows Update.  Your Windows will be high on the potential list to get offered build 1903.

Thanks for the reports.

The Adwcleaner found & removed some adware-type items.

The Malwarebytes for Windows found & removed some Adware.Elex . & other PUP.Optional items.


There is a very odd Task set to use regsvr32.  I am sending a custom script to remove that, as well as remove a super-huge startup setting in Chrome for many, many istart.webssearches.com


We need to have the FRST64 tool on the Downloads folder  ( for ease of use )

Download FRST64.exe from this link

Please Close and save any open work files before you start this next step.  It may involve a Windows Restart at the end of it.

I am sending a   custom Fix script which is going to be used by the FRST64 tool. They will both work together as a pair.

Please RIGHT-click the (attached file named) FIXLIST and select SAVE AS and save it directly ( as is) in the Downloads folder 

Start the Windows Explorer and then, open the Downloads folder.

Double click FRST64  to run the tool. If the tool warns you the version is outdated, please download and run the updated version.
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. Some machines take longer than others.
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.

Kindly attach the Fixlog.txt with your next reply.    Also, tell me, How is the overall situation now.




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Thanks for the reports.   The FRST Fix accomplished the desired goal.  And you should no longer be seeing "regsvr32" issues.  That was your original situation.

Be aware that when Windows is restarted, there can be some quick command prompt windows.  Most typically those are ones by the computer hardware maker.

Now, as to the Malwarebytes scan report, all the line items related to Chrome,  and are just potential adware.  Most are Adware.Elex.ShrtCln  and are tied to Chrome "secure preferences".   It is likely due to the Sync features of Google.

What is listed in the Malwarebytes report are not "malware" but rather adware-type-items   ( that are Chrome related).

The program says they were replaced / removed  {  Sustituido }

[ 1 ]

First suggestion is to turn off Google Chrome syncing.

I would like for you to go to https://www.google.com/settings/chrome/sync and sign into your account.
Scroll down until you see the "reset sync" button and click on the button
At the prompt click on "Ok".

[ 2 ]

There is a new beta Malwarebytes Adwcleaner program.  It is free.  Its  main specialty is to find adwares and to clean them out.

I would suggest to download, Save, and then run Malwarebytes ADWCLEANER.

Please close Chrome and all other open web browsers after you have saved the Adwcleaner and before you start Adwcleaner.



Please download the  beta version 7.4.0  for Malwarebytes AdwCleaner from here:
Click the blue Download button.   ( do not pay attention to the other text displayed on that screen).

Be sure to Save the file first, to your system.  Saving to the Downloads folder should be the default on your system.


Go to the folder where you saved Adwcleaner. Double click AdwcleanerGUI to start it.

At the prompt for license agreement, review and then click on I agree.


You will then see a main screen for Adwcleaner. ( if you do not see it right away, minimized the other open windows, so you can see Adwcleaner).

Then click on Dashboard button.

Click the blue button "Scan Now".


allow it a few minutes to finish the Scan.   Let it remove what it finds.

NOTE:  When it comes to the section "

Pre-installed applications

You can skip that.

Please find and send the Adwcleaner "C" clean report.

In Adwcleaner, click the "Reports" button.  Look at the list of reports for the latest date & type "Clean".

Double Click that line & it will open in Notepad.   Save the file to your system and then Attach that with your reply.

Thanks.  Keep me advised.

Edited by Maurice Naggar
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That is very good to know.  I am glad to have helped.  You are welcome.  I will go ahead and have this case tagged for closure.

Allow me to relay some best practices for keeping safer.


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


Safer 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".
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.

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).


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
Dont remove your current login. Just use the new Standard-user-level one for everyday use while on the internet.

Check in at http://windowsupdate.microsoft.com 
Windows Update and install any Important Updates offered.

Make certain that Automatic Updates is enabled.

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"


All the best to you.  Sincerely,


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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.



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