How To Fix Windows Defender Error Code 577

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Windows Defender is a fantastic security service supplied from the Microsoft.  It can help to safeguard the user's personal computer from outside dangers such as spyware and malware.  But, it's not free from frequent antivirus glitches.  From time to time, this tool won't operate correctly and becomes corrupted with all the Windows Defender mistake 577. See www.webroot.com/safe

read also>>> When Your Mac OS Need Webroot Antivirus in 2020?

If you're facing the identical problem in your Windows device, then you want to remove it as soon as you can.  Here, we've discussed some powerful fixes so as to solve the issue.  Therefore, you can take a look at the below outlines to find out completely.

 

Windows Defender Error Code 577 can happen because of the following reasons:

  • When you've installed any third party antivirus software in your apparatus.
  • Furthermore, the damaged system files is just another variable with this error code.
  • Incomplete setup of Windows and .dll registration issues will also be causing this matter.

After understanding the motives behind the error code, today, have a look at the answers so as to get rid of the issue.

 

Effective Ways to Solve Windows Defender Error 577 Windows 10

Below, we've prepared the list of fixes to solve the Windows Defender mistake 577.  Hopefully, after employing them, you won't receive the error message window on the monitor. sources

Fix 1: To uninstall any third party antivirus in the device, follow the steps below this section.  In the event the third party application is the reason for this mistake, then it'll be solved with the usage of the fix.

Step 1:

To start with, press the Start button and move into the Control Panel section.  Beneath the Control Panel window find Programs.

Step 2:

Then, Pick the"Programs and Attributes" option.  Inside this window, you will discover all the installed programs on your computer.  In the list, find then click on the third party security program.

Step 3:

 Wait till the uninstallation procedure becomes finished.

Whenever you have eliminated the antivirus application successfully, assess if the error code still looks or not.  In case the malfunction exists, then attempt another repair.

 

Fix 2: Run an SFC Scan

The error code can seem as a result of the corrupt system files.  Hence, to eliminate the circumstance, you have to run the System File Checker tool.  Let the steps as stated below.

Step 1:

 After that, type'cmd' from the text area and press the Ctrl+Shift+Enter buttons at one time.  This may open the secretary privileged command prompt window. this link

Step 2:

Subsequently, type'sfc /scannow' from the command prompt window and then hit the Enter key.  The System File Checker tool will begins to scan your apparatus.  It will find the corrupt system files and then delete them in your apparatus.

Eventually, check if the error code 577 still seems or not.

Fix 3: Edit the Windows Defender Register Key

The majority of the consumers have been able to repair the issue and begin the Windows Defender by simply altering the value of their DisableAntiSpyware key.  Thus, you should try out this method.  Here's the fast guide to execute this fix.

Step 1:

At first, press the Windows + R key collectively to start the Run dialog box.   It'll start the Registry Editor with administrative consent.

Step 2:

Now, proceed into the Windows Defender folder from the next route.

 

Step 3:

 Thereafter, double-click the"Disable AntiSpyware" alternative that's available in the right-panel of this window. 

Additionally, alter the value of this Disable Antivirus alternative to 1 below this Windows Defender section window.  Last, restart the machine and start the Windows Defender. 

 

Fix 4: Apply System Restore

If the above options don't work so as to solve the matter, then the only option left would be to restore the device to the preceding System Restore Point.  A few of the users, locate this way is workable to solve Windows Defender service malfunction 577.  Thus, attempt this fix by using the actions mentioned in the subsequent section.

Step 1:

After that, type rstrui' from the Run window and then press the Enter key to start the System Restore wizard.

Step 2:

Hit the Next button at the System Restore stage and check the box that is corresponding to the'Display more restore point' alternative.

Step 3:

Then, pick up a restore point and press the following button to move farther.  At last, finish the steps by pressing the End button.

 After the system wakes up, we expect you won't encounter the error code.

End Notes

That is all!  We hope you'll address the Windows Defender mistake 577 issues after doing the presented fixes.  If you're facing any difficulty to stick to the repairs which are cited above, then contact the specialists to your services. See webroot.com/safe

 

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