Fix: This publisher has been blocked from running software on your machine

Find various solutions to fix the "This publisher has been blocked from running software on your machine" error on Windows 11, in this post.

Raaina B.
Windows Power User
2 min read
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In the ever-evolving digital security landscape, encountering the dreaded message “This publisher has been blocked from running software on your machine” can be both perplexing and a concerning issue to fix. This is a common issue many Windows 11 users may face. Fear not! In the following fixes, we will explore the step-by-step methods to solve this predicament and get your software up and running smoothly.

Fix: This publisher has been blocked from running software on your machine
This publisher has been blocked from running software on your machine error on Windows 11

Fix: This publisher has been blocked from running software on your machine

Fix 1: Manage and unblock the publisher

1. Open Control Panel.

2. Click on “Network and Internet”.

3. Then click on “Internet Options”.

Fix: This publisher has been blocked from running software on your machine

4. Select the “Content” tab and click on “Certificates”.

Fix: This publisher has been blocked from running software on your machine

5. Click on the small arrow at the right to see the “Untrusted Publishers”. Click on that tab.

Fix: This publisher has been blocked from running software on your machine

6. Now click on the publisher you want to remove from the list and click the “Remove” button.

7. Click “Yes” > “Close” > “Apply”.

Fix 2: Disable SmartScreen Filter Temporarily

1. Open Settings by pressing the Windows + I keys.

2. Click on “Privacy and security” > “Windows Security”.

Fix: This publisher has been blocked from running software on your machine

3. Click on “Open Windows Security”.

Fix: This publisher has been blocked from running software on your machine

4. Click on “App and browser control”.

Fix: This publisher has been blocked from running software on your machine

5. Next click on “Reputation-based protection”.

Fix: This publisher has been blocked from running software on your machine

6. Disable the switch of “Check apps and files”. Click “Yes” to confirm.

Fix: This publisher has been blocked from running software on your machine

7. Disable the switch of “Potentially unwanted app blocking”. Click “Yes” to confirm.

Fix: This publisher has been blocked from running software on your machine

Fix 3: Unblock the Application

Fix: This publisher has been blocked from running software on your machine

1. Right-click on the blocked setup file and choose “Properties”.

2. Click on the “General” tab.

3. Click on “Unblock” button > “Apply” > “OK”.

Fix 4: Install the Application Using the Command Prompt

1. Find the path of the setup file by performing a right-click and choosing the “Copy as path” option.

Fix: This publisher has been blocked from running software on your machine

2. Open Command Prompt as an administrator and paste this path.

3. Press Enter to begin the installation.

Fix: This publisher has been blocked from running software on your machine

With the right approach, we can harness the full potential of our machines while keeping them protected from potential threats.

That’s it!

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Article by

Raaina B.
Windows Power User

Raaina is a passionate Windows user with over 5 years of experience. Her insatiable curiosity drives her to explore and embrace every new feature and update that comes her way. With a sharp eye for detail and unmatched expertise in the world of Windows, Raaina is your go-to person for tips and insights.

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