There are times when you try to open a file, an executable file for instance, but were unable to do so since you encounter an error in an Open File – Security Warning dialog box that says, “This publisher has been blocked from running software on your machine, You must unblock this publisher to run this software”. This kind of error is most likely thrown by your operating system because it considers the file to be unsafe and could potentially harm your computer. However, if you’re certain that the file is harmless, read on as this post will walk you through fixing the error so you can open the file without getting an error.
There are various options you can check out to fix the error. You may run the program using Command Prompt or unblock it using File Properties. You could also try turning off SmartScreen or use the unblock file command in Windows PowerShell.
The next thing you can do is to turn off SmartScreen temporarily. All you have to do is open the Windows Defender Security Center and from there, go to the App & browser control section. After that, click on the radio button for Off under Check apps and files. Once you’re done, try opening the file again. Don’t forget to enable the SmartScreen back on.
You might also want to utilize the Unblock-File command in Windows PowerShell as it will unblock the file so you can open it. To execute this command, follow these steps:
powershell -ExecutionPolicy Unrestricted Add-AppxPackage -DisableDevelopmentMode -Register $Env:SystemRootWinStoreAppxManifest.xml
0x80004001 is an error code that Windows users encounter quite commonly.
This error usually occurs when users try to update an old Windows application or attempt to run a certain application. When this error appears on the screen, the system automatically restarts to stop further processing. The error results in a blue screen after the system boots.
This blue screen is known as the Blue Screen of Death.
There are different files in the Windows operating system responsible for its smooth functioning. Sometimes problems like viruses or incorrect register entries corrupt or damage these files. This is when this 0x80004001 error appears.
Simply put, some of the most common causes that trigger 0x80004001 error are listed below as follows.
Irrespective of what causes this error, it is of utmost importance to troubleshoot it as soon as possible.
While there are several ways of troubleshooting this error, the two most useful approaches have been listed below as follows.
Use any of the methods listed above to get rid of the 0x80004001 error once and for all.
The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2503. Called RunScript when not marked in progress The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2503. Called Install Finalize when no installation is in progress