Error message in Windows Internet Explorer 7: Invalid character

Error message in Windows Internet Explorer 7: "Invalid character"

Error message when you try to open an ActiveX control-based MIME handler in Windows Internet Explorer 7: "Invalid character".


When you try to open a Microsoft ActiveX control-based MIME handler in Windows Internet Explorer 7, you may receive the following script error message:

Line: 2
Char: 1
Error: Invalid character
Code: 0

Line: 1
Char: 1
Error: Object expected
Code: 0

For example, you may receive this script error message when you try to open a Macromedia Shockwave Flash (.swf) file or when you try to open an Audio Video Interleaved (.avi) file. Additionally, if you try to open a Visio drawing in the Visio Viewer by using one of the following methods, you may also receive this script error message:
A mapped drive | A universal naming convention (UNC) path | A Web site.

This problem occurs because the FEATURE_BLOCK_LMZ_SCRIPT registry key prevents the execution of a script file in the local machine zone when the file is hosted in an Internet zone HTML page or an intranet zone HTML page.

The FEATURE_BLOCK_LMZ_SCRIPT registry key is a new security registry key that was added in Internet Explorer 7. When you open an ActiveX control-based MIME handler, Internet Explorer 7 creates a hidden HTML page that contains a reference to an external script. The script dynamically inserts the ActiveX control. Because of the FEATURE_BLOCK_LMZ_SCRIPT registry key, the script content is set to a buffer that contains only the 0x01 value. Additionally, the script is blocked.

If you encounter this problem when you are using Internet Explorer 7, follow these steps:

1. Click Start, click Run, type Regedit in the Open box, and then click OK.
2. Locate the following registry key, and then click the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BLOCK_LMZ_SCRIPT

3. On the Edit menu, point to New, and then click DWORD Value.
4. In the DWORD Value box, type iexplore.exe, and then press ENTER.

5. Double-click the iexplore.exe registry entry that you created in step 4.
6. In the Value data box, type 0, and then click OK.
7. Exit Registry Editor.

About ActiveX

ActiveX is an open integration platform that provides developers, users, and Web producers a fast and easy way to create integrated programs and content for the Internet and Intranets. Using ActiveX, you can easily insert multimedia effects, interactive objects, and sophisticated programs into a Web page, creating a user experience comparable to that of high quality multimedia CD-ROM titles. (See, How to fix ActiveX errors?)

More solutions related to ActiveX

• How to Scan & Fix ActiveX, OLE and COM error in Windows XP
• How to enable ActiveX controls in Internet Explorer 6

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