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To resolve this problem, set the Launching applications and unsafe files setting to at least Prompt. To do this, use one of the following methods:
Method 1: Reset Internet Explorer security zone settings to their default level
To reset Internet Explorer security zone settings to their default level, follow these >steps:
Start Internet Explorer. Click Tools, and then click Internet options. Click the Security > tab. Click Reset all zones to default level, and then click OK.
Method 2: Reset Internet Explorer settings
To learn how to reset Internet Explorer settings, click the following article number to view the article in the Microsoft Knowledge Base: How to reset Internet Explorer settings
Note The steps in this article may not fully resolve the issue. For example, if the current Internet Explorer settings are being enforced by a Group Policy object (GPO), these steps may not resolve the issue. If you want further assistance in resolving the problem that is described in this article, contact Microsoft Customer Support.