Windows XP SP2 Tips: IE Problem Solving

Why IE opens certain files in plain text:
When opening an mp3 media file in IE in http mode, the mp3 file is displayed as plain text. Analysis:
This phenomenon is caused by a mismatch between the extension and content of the file, or a mismatch between the content type reported by the server and the extension or content of the file. To resolve this completely, you need to contact the administrator of this website to fix this. Problem. Solution:
This is an enhanced security feature of IE in Windows XP SP2 - MIME Handling Enforcement. We do not recommend disabling this security feature unless it is a last resort. Disable this security feature of IE by modifying the registration. Table: HKEY_LOCAL_MacHINE\\SOFTWARE\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_MIME_SNIFFING IExplore.exe: 0 (REG_DWord) -or - HKEY_LOCAL_MacHINE\\SOFTWARE\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_MIME_SN IFFING IExplore.exe: 0 (REG_DWord) On the other hand, the user can also modify the security settings in the area that caused the abnormal content display. This setting can be used to enter the custom settings by modifying the custom level button in the security area. Change the 'Open files based on content, not file extension' setting (Enable/Disable). Why does the red security center icon appear on the task tray? After installing the Windows XP SP2 service pack, it sometimes appears in the task tray area. Red Security Center icon, but sometimes it does not appear. The Security Center icon does not work under normal conditions. Even if it is manually opened, only the green icon will appear in the task tray area. Red appears, indicating the current system. The following occurs: The firewall is not enabled for automatic updates. Virus protection software is not enabled. Expired (usually referred to as virus definition library)