How to use non-compatible add-ons on Firefox3?

1. On the URL line, enter "about:config".

2. Right-click and choose "add" -> "boolean value".

3. Enter "extensions.checkCompatibility".

4. Select "false".

5. Now you can use some old add-ons on Fx3.

How to solve the windows update falure?

http://support.microsoft.com/kb/945099/zh-tw

執行wufix這個檔案，重置系統服務即可。