xampp的mysql启动不起来，错误日志里面有以下记录，怎么解决？？？

121020 22:38:50 [Note] Plugin 'FEDERATED' is disabled.
121020 22:38:50 InnoDB: The InnoDB memory heap is disabled
121020 22:38:50 InnoDB: Mutexes and rw_locks use Windows interlocked functions
121020 22:38:50 InnoDB: Compressed tables use zlib 1.2.3
121020 22:38:50 InnoDB: Error: unable to create temporary file; errno: 2
121020 22:38:50 [ERROR] Plugin 'InnoDB' init function returned error.
121020 22:38:50 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
121020 22:38:50 [ERROR] Unknown/unsupported storage engine: InnoDB
121020 22:38:50 [ERROR] Aborting

121020 22:38:50 [Note] d:\xampp\mysql\bin\mysqld.exe: Shutdown complete

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看错误Error: unable to create temporary file; errno: 2，应该含团拿是不能创建临时文件引起的。或镇
试试手动创建个临时目录然后在配置文件中显式指定： tmpdir="谈搭e:\tmp"

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