Windows has blocked this software because it can't verify the publisher

Are you facing this problem when u trying to install ActiveX file such as .Cab .zip files ?? its because of Windows's security has blocked most of these files and treat them as Unknown Publisher.

Please do not worry, you can solve this problem without hassle ... just follow the few step below :

1. Open internet explorer, click Tools – Internet Options .
2. Click the Security tab – Custom Level button.

Under ActiveX ensure the following are set to enabled
Run ActiveX and plug-ins – Enabled
Download Signed ActiveX Control – Enabled
Script ActiveX controls marked as safe for scripting – Enabled

Set the following to “Prompt ”
Download unsigned ActiveX Control – Prompt
Initialize and script ActiveX controls not mark as safe – Prompt

3. Click OK and Apply and OK. Restart the browser.