So, we present to you in this post a guide on how to resolve the “Publisher could not be confirmed” error on Windows 11. For more details read the full blog.

1. Repair the
Windows 11
“Publisher Could
Not Be Confirmed”
Issue(2023)
IN WINDOWS 11

2. Here is how you can disable “The Publisher could not be verified” Error message while trying to open certain
files and programs on your Windows 11 computer.
Publisher could not be verified warning dialog box appears in Windows 11 when you try to open a File or Run a
Program on your computer that Windows does not recognize as a trusted file.
Windows 11 will continue to block the File or prevent the Program from Running on your computer, until you
specifically instruct your computer that the File can be opened.

3. Install verified certificates to resolve the “Publisher Could Not Be
Verified” error on Windows 11
On Windows 11, do not panic if you see an error saying something like “This
app package’s publisher certificate could not be confirmed.” The root
certificate with a confirmed signature can be installed in a straightforward
manner. Both the MSIX and MSIXBUNDLE packages can be installed using
this technique. This is the procedure.
1.Rise Media Player, a top-notch open-source media player for Windows 11,
will be installed as part of this technique. The error message “Publisher
certificate could not be confirmed” is displayed while installing the MSIX
package, as you can see below, and the user is not able to install the
application.

4. 2. Then, use the context menu to right-click the MSIX/MSIXBUNDLE
package and select “Properties.”
3. A Properties box will appear after that.Click on “Details” under the “Digital
Signatures” option here.
4. Next, select “See Certificate.”
5. After that, select “Install Certificate.” It will then display a new Certificate
Import Wizard. Click “Next” after selecting “Local Machine” here.
6. Next, click “Browse” after selecting “Put all certificates in the following
store.”
7. Scroll down in the tiny pop-up window, choose “Trusted Persons,” and
then click “OK.”

5. 8. To import the certificate, click “Complete” after selecting “Next.”
9. The signed certificate has been installed, as seen here. You can now
close all the open windows.
10. Double-clicking the MSIX/MSIXBUNDLE package will allow you to install
the app without encountering any problems.
11.With PowerShell, resolve the “Publisher Certificate Could Not Be
Confirmed” error on Windows 11.