这怎么办啊？？？

Fatal error: Uncaught exception 'com_exception' with message '<b>Source:</b> Microsoft OLE DB Provider for ODBC Drivers<br/><b>Description:</b> [Microsoft][ODBC Microsoft Access Driver]常见错误 不能打开注册表关键字 'Temporary (volatile) Jet DSN for process 0x1aac Thread 0xd1c DBC 0xb51593c Jet'。' in D:\wwwroot\kanlee\web\bbs\convertinc\common.php:63 Stack trace: #0 D:\wwwroot\kanlee\web\bbs\convertinc\common.php(63): com->open('DRIVER={Microso...') #1 D:\wwwroot\kanlee\web\bbs\dv7xacc-dz410.php(14): require_once('D:\wwwroot\kanl...') #2 {main} thrown in D:\wwwroot\kanlee\web\bbs\convertinc\common.php on line 63

Fatal error: Exception thrown without a stack frame in Unknown on line 0

我是7.1sp1---->4.1.0
怎么解决？？？？？？？？？？？？？