The Security Settings window has many options in the Settings list. Scroll down to the Miscellaneous category, find Launching applications and unsafe files , and change the setting to Prompt recommended. If you still cannot download a file, it is possible that it is being blocked by Internet security software, such as a software firewall or antivirus software.
If you disable this policy, Windows uses its default trust logic which prefers the file handler over the file type. File Type 1 or Handler 2 or Both 3. This policy setting lets you manage the behavior for notifying registered antivirus programs. If multiple programs are registered, they will all be notified.
If you enable this policy, Windows tells the registered antivirus program to scan the file when a user opens a file attachment. If the antivirus program fails, the attachment is blocked from being opened. If you disable this policy, Windows does not call the registered antivirus programs when file attachments are opened.
If you do not configure this policy, Windows does not call the registered antivirus programs when file attachments are opened. When the value is set to Optional 2 , all scanners are called even after one reports a detection.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:. The following determine whether you are prevented from opening the file or whether you are warned before you open the file:.
The security settings of the Web content zone that you are downloading the file from. To view the Web content zones, click Tools , click Internet Options , and then click the Security tab.
The following are the four Web content zones:. The Attachment Manager uses the IAttachmentExecute application programming interface API to find the file type, to find the file association, and to determine the most appropriate action. The Attachment Manager classifies files that you receive or that you download based on the file type and the file name extension. Attachment Manager classifies files types as high risk, medium risk, and low risk.
When you save files to your hard disk from a program that uses the Attachment Manager, the Web content zone information for the file is also saved with the file. For example, if you save a compressed file. When you try to extract the contents from the compressed file, or if you try to run a file, you cannot. The Web content zone information is saved together with the files only if the hard disk uses the NTFS file system.
You can open a blocked file from a known source if you want to. To open a blocked file, follow these steps:. When you try to download or open a file from a Web site that is in the restricted Web content zone, you may receive a message that indicates that the file is blocked. When you try to open high-risk file types from sites that belong to the Internet Web content zone, you may receive a warning message, but you may be able to open these types of files. The file types that the Attachment Manager labels as high-risk include the following:.
File types that the Attachment Manager does not label as high risk or low risk are automatically labeled as medium risk. On the Privacy tab, under Location , select the Never allow websites to request your physical location check box. Pop-up Blocker limits or blocks pop-ups on sites that you visit. You can choose the level of blocking you prefer, turn on or off notifications when pop-ups are blocked, or create a list of sites that you don't want to block pop-ups on.
Pop-up Blocker settings only apply to Internet Explorer. Open Internet Explorer, select the Tools button , and then select Internet options. On the Privacy tab, under Pop-up Blocker , select Settings. In the Pop-up Blocker settings dialog box, clear the Show Notification bar when a pop-up is blocked check box. Tracking Protection helps prevent information about your browsing from being sent to third-party content providers on sites you visit. Internet Explorer blocks any third-party content from sites on the list, and limits the info that those third-party sites can collect about you.
By changing the security settings, you can customize how Internet Explorer helps protect your PC from potentially harmful or malicious web content. Internet Explorer automatically assigns all websites to a security zone: Internet, Local intranet, Trusted sites, or Restricted sites. Each zone has a different default security level that determines what kind of content can be blocked for that site. Depending on the security level of a site, some content can be blocked until you choose to allow it, ActiveX controls might not run automatically, or you might see warning prompts on certain sites.
You can customize the settings for each zone to decide how much protection you do or don't want. Select the Security tab and customize your security zone settings in these ways:. To change settings for any security zone, select the zone icon, and then move the slider to the security level that you want.
To create your own security settings for a zone, select the zone icon, and then select Custom level and choose the settings that you want.
To restore all security levels to their original settings, select the Reset all zones to default level button. Select the Security tab, choose one of the security zone icons Local intranet , Trusted sites , or Restricted sites , and then select Sites.
This tab select Tools , and then select Internet options provides flexibility for blocking or allowing cookies, based on the website that the cookie came from or the type of cookie. Types of cookies include first-party cookies, third-party cookies, and cookies that do not have a compact privacy policy. This tab also includes options to control website requests for physical location data, the ability to block pop-ups, and the ability to run toolbars and extensions when InPrivate browsing is enabled.
There are different levels of privacy on the Internet zone, and they are stored in the registry at the same location as the security zones. You can also add a Web site to enable or to block cookies based on the Web site, regardless of the privacy policy on the Web site.
Those registry keys are stored in the following registry subkey:. Domains that have been added as a managed site are listed under this subkey. Internet Explorer security zones settings are stored under the following registry subkeys:. Because this subtree is dynamically loaded for each user, the settings for one user do not affect the settings for another.
However, only user settings appear in the Internet Options. You can change the security level settings from the default settings.
0コメント