SP2 Tip 2: Is there a problem with your IE?

Phenomenon: When an mp3 media file is opened over http in IE, the mp3 file is displayed as plain text. analysis: this phenomenon is caused by the mismatch between the file extension and content, or the mismatch between the content type reported by the server and the file extension or content. to solve the problem thoroughly, contact the administrator of the website to fix the problem. solution: in Windows XP SP2, this is an enhanced security feature of IE-MIME Handling Enforcement. we do not recommend disabling this security feature unless it is a last resort. to disable this security feature of IE, you can modify the Registry: HKEY_LOCAL_MACHINESOFTWAREMicrosoftInternet policipolice.exe: 0 (REG_DWORD)-or-HKEY_LOCAL_MACHINESOFTWAREMicrosoftInternet policipolice.exe: 0, you can also modify the security settings in the area that causes abnormal content display. you can click the modify Custom Level button in the security area to enter the custom settings, and modify the Open files based on content, not file extension settings (Enable/Disable ). why does the red Security Center icon appear on the task tray after the Windows XP SP2 service package is installed, sometimes the red Security Center icon appears in the task tray area, but sometimes it does not appear. the security center icon does not appear normally. Even if it is opened manually, only the green icon appears in the task tray area. red indicates that the current system has the following circumstances: firewall has not enabled automatic update not enabled virus protection software has expired (usually refers to the virus definition Library)