Fix 'These Files Can't Be Opened' error on Windows 10 / 8.1 / 7

The "These Files Can't Be Opened" error usually occurs while the user installs the software on their Windows computer (usually Windows 10 and Windows 8.1). In essence, the cause of this error is because the Windows security settings prevent users from installing unknown applications, downloaded from untrusted websites, etc.

So how to fix this error, please refer to the following article of Network Administrator.

Step 1: Unblock the file

Under the default security settings on Windows operating systems do not allow users to open a new file. Therefore, it is necessary to configure the Internet settings of Windows.

1. Select the file you want to install . Right-click the file.

2. Select Properties from the context menu.

3. On the Properties window, in the General section, select the Unblock option.

4. Select Apply then click OK .

Step 2: Change Internet security settings

After the application has been unblocked , it is very likely that an error will appear on the screen during the installation of the software. However, not all cases of an error occur. Therefore you should configure the option to ' launch applications and unsafe files ' to fix the error message that appears during the application installation process on Windows operating system.

Follow the steps below:

1. First open Control Panel on your computer.
2. On the Control Panel window and select the Network and Internet option .
3. On the next window select Internet Options to open the Internet properties window.
4. Or another way to open the Internet Properties properties window is to open the Internet Explorer => browser icon in the top right corner of the screen => Internet Options .
5. Next on the Properties window, click the Security tab, then select Restricted sites .
6. Click to select the custom level option . to open the Security settings window - restricted sites zone .
7. Scroll down to find and select ' launch applications and unsafe files '.
8. Select the Enable option.
9. Click OK to confirm.

If the error still occurs, you should check the Windows settings defender or set up other security software installed on your computer.

Alternatively you can create a new admin profile and try installing the software again. You should disable all Microsoft services and try restarting the computer to fix the errors These Files Can't Be Opened .

Refer to some of the following articles:

1. Quick fix computer error Windows 10/8/7 crashes, Safe Mode can not be escaped

1. Chrome browser on Windows computer crashes, this is what you need to do

1. 0x80072F8F error when Activation Windows 7 and Vista, this is how to fix it

Good luck!