Windows Defender is a built-in Windows program used to scan and detect malicious elements, protect the data from being corrupt, and repair various hardware issues. However, sometimes users face various error codes and problems while trying to launch it over their device. It flashes the error code 0x80073b01 while it fails to respond to your Windows 10 OS.

In some cases, this error issue flashes various errors such as “not able to find Windows Defender in Control Panel” or “Can’t launch the Program.” Apart from these alert issues, you might see that the Windows Defender is running smoothly and even protecting your device along with providing you updates. Even there, you can’t launch your program on your system.

Deleting Third-Party Application from Your Device

There might be corrupted third-party software that interferences with Windows Defender, and therefore it refuses to launch on your desktop. It is recommended to remove the third party application from your device. To do so, follow these instructions:

In the beginning, hit the Control Panel section of your device.
Next, hit the uninstall tab there.
Now, press the option “Open.”
Then, hit the Installed Programs list and right-click on your option that you wish to remove.
Finally, tap on the Uninstall option there.
Note: It is advised to reboot your device once you have performed the installation and un-installation procedures.

The above process will remove the corrupted program or application from your device but leaves the corrupted junk and registry entries. It is recommended to remove them as soon as possible to get the more secure system Windows. Install any program by an authenticated or reliable Uninstaller.

Modifying Registry Entries to Fix the Error code 0x80073b01

Registry Entries are very sensitive programs as it needed great care while modifying their data. Registry entry can be changed by using Registry Repair Tool on Windows 10.

However, this tool automatically fixes the issue but sometimes need to operate it manually. It is a very powerful tool and helps to fix severe corrupt data if performed carefully in manual mode.

It is advised to follow these instructions carefully and don’t miss a bit one to avoid data loss or any mishaps:

First and foremost, tap Window and R keys at one go.
After a bit, the Run prompt box will open on your screen. Then, you have to insert “Regedit” into the search bar and press the Enter key to process the operation.
You will see Registry Editor Window opens on your screen.
Then, move left hand side and look for the option “HKEY_LOCAL_MACHINE/ SOFTWARE/ Microsoft/ Windows_NT / Current_Version/ Image_File_Execution_Option/.” Then hit on it.
After that, remove the entry option “msseces.exe entry” and again remove the same by hitting the option “HKEY_CURRENT-_USER/ Software/ Microsoft/ windows / Current_version/ Policies/ Explorer/ Disallow_Run.”
After that, restart your device there.
Running System File Checker (SFC) Tool on your Device

This program scans the device for an infected system file, and if any founds, it troubleshoots and makes your system error-free. It is also helpful in removing various error issues.

Abide by the undermentioned instructions to know how to run SFC on your system:

At the start, hit the Start tab and input CMD into the search panel.
Now, choose the option “Command Prompt” by navigating the list.
Next, apply right-click on it and tap on the admin privilege option for the SFC.
Then, enter “SFC/ scan now” into the run search.
Hit the Enter key to proceed.
When your scan is completed, then restart your device to save the modifications.
Updating System and Windows Defender

The outdated and old application might also be the reason for the 0x80073b01 error issue on your Windows. It is advised to check for available updates and update your program.

First of all, tap on Window logo.
Then, enter the keywords “Windows Update” into the search bar.
Next, hit the resulting options.
After that, choose “Check for Updates” option there. The Windows will show you all the available updates, if any.
Once found, tap on Install.
When you have completed all the steps, then restart your device.
Running Windows Repair Tools to Troubleshoot the Issue

This is also an important trick to remove the issue from your device. It repairs the corrupted files, data, and registry entries. This tool also scans for faulty drivers, hardware issues, and viruses to keep your system safe. It helps to optimize the performance of your device by using this tool on Windows 10.

Once you have run repair tools on your device, then reboot your system to accept all the changes that you have made.

John Smith is a creative person who has been writing blogs and articles about cybersecurity. He writes about the latest updates regarding webroot.com/safe and how it can improve the work experience of users. His articles have been published in many popular e-magazines, blogs, and websites.

Source:– https://urlwebroot.com/blog/how-to-fix-windows-defender-error-code-...