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: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.
When files are downloaded to a local computer that is running Windows XP Service Pack 2 or a later version, a security zone identifier is stored together with the file properties. This identifier corresponds to the Internet Explorer security zone for where the file was obtained.
When a downloaded file is identified as an unsafe file type, the Launching applications and unsafe files
option for the corresponding security zone is queried for one of three options: Enable
, or Disable
. The dialog that is mentioned in the "Symptoms" section will be displayed when the Launching applications and unsafe files
option is set to Disabled
For more information about unsafe file types, click the following article numbers to view the articles in the Microsoft Knowledge Base:
Information about the Unsafe File List in Internet Explorer 6, 7, or 8
An overview of unsafe file types in Microsoft products
For more information about the process that is used to apply zone identifiers to files, click the following article number to view the article in the Microsoft Knowledge Base:
Description of how the Attachment Manager works in Microsoft Windows
For more information about the Internet Explorer security zones, click the following article numbers to view the articles in the Microsoft Knowledge Base:
How to use security zones in Internet Explorer182569
Internet Explorer security zones registry entries for advanced users