matlab安装问题

[kevinton]

我以前电脑安装过matlab7.0，都是没问题的
由于电脑的原因，重新安装了一次
还是以前的安装软件
但是现在一打开就出现‘x找不到模块’
不明白为什么
打开之后出现了
------------------------------------------------------------------------
Segmentation violation detected at Sun Nov 08 07:52:08 2009
------------------------------------------------------------------------

Configuration:
MATLAB Version: 7.0.1.24704 (R14) Service Pack 1
MATLAB License: 222378
Operating System: Microsoft Windows XP
Window System: Version 5.1 (Build 2600: Service Pack 3)
Processor ID: x86 Family 15 Model 11 Stepping 2, AuthenticAMD
Virtual Machine: Java 1.4.2_04 with Sun Microsystems Inc. Java HotSpot(TM) Client VM
(mixed mode)
Default Charset: ibm-1386_P100-2002

Register State:
EAX = 00000000 EBX = 00000000
ECX = 7c809a0d EDX = 006b0001
ESI = 01217d00 EDI = 01417da0
EBP = 00cda3e4 ESP = 00cda354
EIP = 00000000 FLG = 00010212

Stack Trace:
[0] numerics.dll:??$mfGenMatrixMult@N@@YAXPAUmxArray_tag@@00W4MM_Transpose@@1N@Z(0x014181a0, 0x01417da0, 0x014181e0, 0) + 532 bytes
[1] numerics.dll:void __cdecl mfGenMatrixMult(struct mxArray_tag *,struct mxArray_tag *,struct mxArray_tag *,enum MM_Transpose,enum MM_Transpose)(0x014181a0, 0x01417da0, 0x014181e0, 0) + 120 bytes
[2] numerics.dll:void __cdecl mfTimesTransposeFcn2DFloatPt(int,struct mxArray_tag * * const,int,struct mxArray_tag * * const)(0, 0x00cda598, 6, 0x00cda508) + 913 bytes
[3] m_dispatcher.dll:public: virtual void __thiscall Mfh_builtin<struct mxArray_tag>::dispatch_mf(int,struct mxArray_tag * *,int,struct mxArray_tag * *)(1, 0x00cda598, 3, 0x00cda508) + 55 bytes
后面大致一样，由于过长，省略......

以前都是没有的
还望高手指教
是不是我电脑丢失了什么软件
导致matlab装的时候丢失了某些部分
如果是，需要安装哪些东西
还望指教
补充问题