Blender Documentation: Last modified July 31 2003 s68
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# Blender 3D Plug-in FAQs

1. All plug-ins:
  Q: The plug-in has loaded, but it doesn't respond to the keyboard or mouse. What's wrong?
  Q: Playback is very slow, what can I do?
2. ActiveX specific:
  Q: Installation on the client system fails, what can I do?
3. Netscape specific:
  Q: What are the known problems of the Netscape plug-in?

#### 1. All plug-ins:

Q: The plug-in has loaded, but it doesn't respond to the keyboard or mouse. What's wrong?

A: You have to click on the plug-in to give it the keyboard/mouse focus.

Q: Playback is very slow, what can I do?

A: Like all other 3D applications, you need a 3D accelerated videocard to get good performance. Also make sure you have installed the latest drivers for your card. In addition, make sure that the HTML code contains no frameRate parameter or that is is set to a high value (see the Section called Embedding Blender 3D Plug-in in web pages).

#### 2. ActiveX specific:

Q: Installation on the client system fails, what can I do?

A: When the ActiveX control refuses to install it could be that Internet Explorer on the client system has been configured with strict security settings that prevent ActiveX controls being downloaded from the Internet. The security settings of Internet Explorer can be accessed in the Internet Options available from the Tools menu. If security settings are not the cause, check the windows version.

- On Windows 2000, the user type determines whether she or he is allowed to install ActiveX controls downloaded from the Internet. Depending on the Windows 2000 configuration, only Administrator type users are generally allowed to install the ActiveX control.

- On Windows98 occasionally, the plug-in refuses to install. Often, the client system has outdated or corrupt DCOM drivers. This can be solved by downloading the updated DCOM98 drivers for Windows 98 (version 1.3) from http://www.microsoft.com/com/dcom/dcom98/download.asp.

#### 3. Netscape specific:

Q: What are the known problems of the Netscape plug-in?

A: There are some problems which are currently under investigation and will be fixed soon:

- Netscape/Linux window resize. Resizing the Netscape window can crash the plug-in under Linux.

- Netscape/Linux sound disabled. The Netscape/Linux version of the plug-in does not have sound support in this release.

- Netscape/Linux: 'exception in thread "main"'. This is a known problem; we are working on it. Just click on ok and everything will run fine.

- Netscape/Linux: no OpenGL software rendering. If you do not have a 3D accelerated X-server the plug-in may fail.

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