

Now, under ‘security’ tab choose ‘restricted sites’ option.Alternatively, to open ‘internet properties’ – open internet explorer > ‘Settings’ (gear icon at the top right corner) > select ‘Internet Options’.Next select the ‘Internet options’ to open internet properties.Open ‘Control panel’ desktop app first.You need to configure “launching applications and unsafe files” option to fix the error notification alert while installing an application to Windows OS. However, not in all cases, unblocking is the solution. Step #2: By Changing the Internet Security SettingsĪfter unblocking the application, the error message may disappear while installing the software. Unblock means the origin of the file is another PC and the file might be blocked from installing to prevent the computer from any malicious attack. Under ‘General’, check the ‘Unblock’ option.Choose ‘properties’ from the context menu.Select the file you want to install, right click on it.

But, seeing this advanced internet security setting, I can assure you that Windows OS is getting smarter day-by-day as far as Windows security is concerned.

I don’t know whether Windows 7 users get the same error message or not. However, people around the world also get the identical alert in different OS versions of Windows – in Windows 10, Windows 8.1, Windows 8. While you download any application from untrusted source and try to install it to the PC, your installation is blocked instantly, which is followed by “These files can’t be opened” alert.įirst time I got the message on Windows 10 OS while installing a Windows application (even after turning off the ‘smart filter’ feature). But, it is an additional internet security setting of Windows. Initially the alert message seems an error to you. This error actually prevents users from installing applications, which are downloaded from any untrusted source like torrent websites, etc. People using Windows OS eventually get this notification message while installing a software to Windows PC. “ These files can’t be opened” is a kind of error notification to Windows 10 and 8.1 users.
