Steps to Fix Windows Defender Error Code: 0x80073b01 in Windows 8.1

Windows defender is a an inbuilt feature of Windows 8.1 operating system, through this powerful feature one can protect their computer from malware, viruses, spyware and other malicious attacks. But sometime due to any internal error this inbuilt application may get damaged and start showing errors like error 577 or Code 0x80073b01. Don’t worry because you can fix this error without need of any professional skill. Few methods are given below apply them to fix this issue:

Also read: Fix Audio issues in Movie Maker in Windows 10

Edit Windows Registry Database

Generally Error code 0x80073b01 occurs because of damaged registry. To repair Windows registry corruption, apply the below given method:

• First you have to open the Windows Registry Editor: to do this Press Windows Key + R  this will open the Run Windows, at this window type Regedit and press Enter
• Now search and find the below given keys and delete msseces.exe:
• “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current Version\Image File Execution Options\  ” and delete the entry msseces.exe and
• “HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer\DisallowRun” and delete the entry msseces.exe.
• After doing all the above given steps restart your computer. Try to open Windows Defender/Security Essential.

Run System File Checker

The SFC or System file checker is designed to scan the windows files and verifies the integrity of important system files. This is an inbuilt Windows mechanism that helps user to fix any damaged or corrupt System file. Execution of this inbuilt feature is really very easy, methods are given below apply them carefully.

• Open the command prompt with the administrator privileges, open the run Window and type cmd and hit enter
• In this window type sfc/scannow and press enter
• It take little time to complete the scan of corrupt system file, it also fixed them if any damaged files are found.
• After it try to open Windows Defender

If you are still unable to fix Defender Error then you need a professional tool to fix Defender Error code 0x80073b01. This is the way through which one can easily get rid of this error, run this tool and it will take few seconds to remove any Windows error. The best part of this tool is, it doesn’t need any professional skill or you don’t need to type any command.