系统是XP SP2 (SP3也试过)，笔记本电脑
按照http://support.vitalsource.com/kb/vbs-ts/bookshelf-will-not-launch上的操作进行了如下操作，还是不能运行成功
有没有大侠遇到同样的问题，迫切求解

Steps to resolve Bookshelf not launching in Windows XP SP2.

• Restart your computer and try to launch Bookshelf. If Bookshelf does not launch continue.
• Go to your My Documents folder and locate the My Books folder. (C:\Documents and Settings\YourAccount\My Documents\My Books)
• Once you have located the My Books folder, rename it to be My Books Old
• Launch VitalSource Bookshelf.
• Bookshelf should launch. Once Launched click the Sign-In button and sign in with your email address and password.
• Once signed in, go to the File Menu and choose the Restore from Backup... menu option.
• Go to the following file: C:\Documents and Settings\YourAccount\My Documents\My Books Old\VitalSource Bookshelf\User Data\Notes.db This will restore your notes and highlights.
• Once your Notes and Highlights have been restored you can delete the My Books Old folder.