Segmentation Violation when using VideoReader and read command

**I'm sorry for the messy format of the error code, I don't know how to post it properly! Here's the simple code that causes the error:

    a = VideoReader('name.wmv');
    b = read(a,1);

Bellow is the detail of my error

    Configuration:
  Crash Decoding     : Disabled
  Default Encoding   : windows-1252
  MATLAB Architecture: win32
  MATLAB Root        : C:\Program Files (x86)\matlab
  MATLAB Version     : 8.1.0.604 (R2013a)
  Operating System   : Microsoft Windows 8
  Processor ID       : x86 Family 6 Model 60 Stepping 3, GenuineIntel
  Virtual Machine    : Java 1.6.0_17-b04 with Sun Microsystems Inc. Java HotSpot(TM) Client VM mixed mode
  Window System      : Version 6.2 (Build 9200)

Fault Count: 1

Abnormal termination: Segmentation violation

Register State (from fault): EAX = 00000000 EBX = 00001400 ECX = 00000000 EDX = 00000008 ESP = 00c2b76c EBP = 00c2b778 ESI = 33cec000 EDI = 35cfc020

EIP = 02910a37  EFL = 00210202

   CS = 00000023   DS = 0000002b   SS = 0000002b
   ES = 0000002b   FS = 00000053   GS = 0000002b

Stack Trace (from fault): [ 0] 0x02910a37 C:\Program Files (x86)\matlab\bin\win32\MSVCR100.dll+00068151 unlock+00000259 [ 1] 0x02040ccc C:\Program Files (x86)\matlab\bin\win32\tamimframe.dll+00068812 imaqframekit::MemoryLimiter::MemoryLimiter+00007340 [ 2] 0x0221806b C:\Program Files (x86)\matlab\toolbox\shared\multimedia\bin\win32\reader\mediafoundationplugin.dll+00032875 [ 3] 0x02216bcf C:\Program Files (x86)\matlab\toolbox\shared\multimedia\bin\win32\reader\mediafoundationplugin.dll+00027599 [ 4] 0x001a515e C:\Program Files (x86)\matlab\bin\win32\mmreaderudd.dll+00020830 [ 5] 0x001a1867 C:\Program Files (x86)\matlab\bin\win32\mmreaderudd.dll+00006247 [ 6] 0x7f3c8be3 C:\Program Files (x86)\matlab\bin\win32\udd.dll+00232419 UDMethodInfo::invokeMethodE+00000067 [ 7] 0x031bf4b8 C:\Program Files (x86)\matlab\bin\win32\udd_mi.dll+00259256 registerCheckIfHG2ObjectFcn+00027080 [ 8] 0x031bf76c C:\Program Files (x86)\matlab\bin\win32\udd_mi.dll+00259948 registerCheckIfHG2ObjectFcn+00027772 [ 9] 0x723a3616 C:\Program Files (x86)\matlab\bin\win32\mcos.dll+00079382 mcos::COSInterface::getPreGetEvent+00001382 [ 10] 0x7f63cdd8 C:\Program Files (x86)\matlab\bin\win32\m_dispatcher.dll+00052696 Mfh_MATLAB_fn::dispatch_fh+00000728 [ 11] 0x7f63d139 C:\Program Files (x86)\matlab\bin\win32\m_dispatcher.dll+00053561 Mfunction_handle::dispatch+00000745 [ 12] 0x02c85884 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00481412 inDestroyWS+00203364 [ 13] 0x02c87ae7 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00490215 inDestroyWS+00212167 [ 14] 0x02c99ce7 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00564455 inDestroyWS+00286407 [ 15] 0x02c99e02 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00564738 inDestroyWS+00286690 [ 16] 0x02c7ee57 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00454231 inDestroyWS+00176183 [ 17] 0x02c844e8 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00476392 inDestroyWS+00198344 [ 18] 0x02c97abe C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00555710 inDestroyWS+00277662 [ 19] 0x7f63c939 C:\Program Files (x86)\matlab\bin\win32\m_dispatcher.dll+00051513 Mfh_file::dispatch_fh+00000505 [ 20] 0x7f63d139 C:\Program Files (x86)\matlab\bin\win32\m_dispatcher.dll+00053561 Mfunction_handle::dispatch+00000745 [ 21] 0x723c7016 C:\Program Files (x86)\matlab\bin\win32\mcos.dll+00225302 mcos::COSDataType::checkValue+00003878 [ 22] 0x723c3674 C:\Program Files (x86)\matlab\bin\win32\mcos.dll+00210548 mcos::COSJITInterface::isClassHandle+00002196 [ 23] 0x723c4a84 C:\Program Files (x86)\matlab\bin\win32\mcos.dll+00215684 mcos::COSJITInterface::isClassHandle+00007332 [ 24] 0x723c6e55 C:\Program Files (x86)\matlab\bin\win32\mcos.dll+00224853 mcos::COSDataType::checkValue+00003429 [ 25] 0x723c9131 C:\Program Files (x86)\matlab\bin\win32\mcos.dll+00233777 omSetArrayElement+00007633 [ 26] 0x723bd792 C:\Program Files (x86)\matlab\bin\win32\mcos.dll+00186258 mcos::COSJITInterface::getClassOffset+00002338 [ 27] 0x7f63cdd8 C:\Program Files (x86)\matlab\bin\win32\m_dispatcher.dll+00052696 Mfh_MATLAB_fn::dispatch_fh+00000728 [ 28] 0x7f63d139 C:\Program Files (x86)\matlab\bin\win32\m_dispatcher.dll+00053561 Mfunction_handle::dispatch+00000745 [ 29] 0x02c85884 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00481412 inDestroyWS+00203364 [ 30] 0x02c1cb52 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00052050 MathWorks::MException::IMExceptionData::IMExceptionData+00025698 [ 31] 0x02c8900d C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00495629 inDestroyWS+00217581 [ 32] 0x02c99ce7 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00564455 inDestroyWS+00286407 [ 33] 0x02c99e02 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00564738 inDestroyWS+00286690 [ 34] 0x02c7ee57 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00454231 inDestroyWS+00176183 [ 35] 0x02c844e8 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00476392 inDestroyWS+00198344 [ 36] 0x02c97abe C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00555710 inDestroyWS+00277662 [ 37] 0x7f63c939 C:\Program Files (x86)\matlab\bin\win32\m_dispatcher.dll+00051513 Mfh_file::dispatch_fh+00000505 [ 38] 0x7f63d139 C:\Program Files (x86)\matlab\bin\win32\m_dispatcher.dll+00053561 Mfunction_handle::dispatch+00000745 [ 39] 0x02cef80c C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00915468 inMainLoopIdle+00002572 [ 40] 0x02cf6b0f C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00944911 inInitializeParser+00005887 [ 41] 0x02cfaa79 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00961145 MathWorks::MException::MExceptionEnvelope::Copy+00006953 [ 42] 0x02cfaa55 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00961109 MathWorks::MException::MExceptionEnvelope::Copy+00006917 [ 43] 0x02cfaa10 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00961040 MathWorks::MException::MExceptionEnvelope::Copy+00006848 [ 44] 0x02c267ae C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00092078 inClearArraysInDesiredWS+00001854 [ 45] 0x02cf2c10 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00928784 inEvalCmdWithLocalReturn+00000224 [ 46] 0x02cf2bb9 C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00928697 inEvalCmdWithLocalReturn+00000137 [ 47] 0x02cf2b4e C:\Program Files (x86)\matlab\bin\win32\m_interpreter.dll+00928590 inEvalCmdWithLocalReturn+00000030 [ 48] 0x7e1cba83 C:\Program Files (x86)\matlab\bin\win32\libmwbridge.dll+00047747 mnDebugPrompt+00000163 [ 49] 0x7e1cc9ff C:\Program Files (x86)\matlab\bin\win32\libmwbridge.dll+00051711 mnParser+00000799 [ 50] 0x7f29b273 C:\Program Files (x86)\matlab\bin\win32\mcr.dll+00176755 mcrInstance::mnParser_on_interpreter_thread+00000051 [ 51] 0x7f28112a C:\Program Files (x86)\matlab\bin\win32\mcr.dll+00069930 mcr::setInterpreterThreadToCurrent+00029274 [ 52] 0x7f2811e6 C:\Program Files (x86)\matlab\bin\win32\mcr.dll+00070118 mcr::setInterpreterThreadToCurrent+00029462 [ 53] 0x03272da9 C:\Program Files (x86)\matlab\bin\win32\uiw.dll+00339369 UIW_IsUserMessage+00000121 [ 54] 0x03273358 C:\Program Files (x86)\matlab\bin\win32\uiw.dll+00340824 UIW_SetGLIMUserMsg+00000104 [ 55] 0x75ebfed6 C:\WINDOWS\SYSTEM32\USER32.dll+00196310 LoadStringA+00000422 [ 56] 0x75eaddc6 C:\WINDOWS\SYSTEM32\USER32.dll+00122310 CopyRect+00000358 [ 57] 0x75eadd4b C:\WINDOWS\SYSTEM32\USER32.dll+00122187 CopyRect+00000235 [ 58] 0x77628d86 C:\WINDOWS\SYSTEM32\ntdll.dll+00494982 KiUserCallbackDispatcher+00000054 [ 59] 0x75eacbc4 C:\WINDOWS\SYSTEM32\USER32.dll+00117700 PeekMessageA+00000372 [ 60] 0x0325238d C:\Program Files (x86)\matlab\bin\win32\uiw.dll+00205709 UIW_SetCurrentDialog+00000637 [ 61] 0x03274504 C:\Program Files (x86)\matlab\bin\win32\uiw.dll+00345348 ws_FreeSystemFont+00000452 [ 62] 0x100d3254 C:\Program Files (x86)\matlab\bin\win32\libmwservices.dll+00864852 services::system_events::PpeDispatchHook::~PpeDispatchHook+00055668 [ 63] 0x100d3a6a C:\Program Files (x86)\matlab\bin\win32\libmwservices.dll+00866922 services::system_events::PpeDispatchHook::~PpeDispatchHook+00057738 [ 64] 0x100d23ff C:\Program Files (x86)\matlab\bin\win32\libmwservices.dll+00861183 services::system_events::PpeDispatchHook::~PpeDispatchHook+00051999 [ 65] 0x100d4724 C:\Program Files (x86)\matlab\bin\win32\libmwservices.dll+00870180 services::system_events::PpeDispatchHook::~PpeDispatchHook+00060996 [ 66] 0x100dcb01 C:\Program Files (x86)\matlab\bin\win32\libmwservices.dll+00903937 svWS_ProcessPendingEvents+00000897 [ 67] 0x100dcc92 C:\Program Files (x86)\matlab\bin\win32\libmwservices.dll+00904338 svWS_ProcessPendingEvents+00000018 [ 68] 0x7f282053 C:\Program Files (x86)\matlab\bin\win32\mcr.dll+00073811 mcr::setInterpreterThreadToCurrent+00033155 [ 69] 0x7f28230c C:\Program Files (x86)\matlab\bin\win32\mcr.dll+00074508 mcr::setInterpreterThreadToCurrent+00033852 [ 70] 0x7f27655f C:\Program Files (x86)\matlab\bin\win32\mcr.dll+00025951 mcrInstantiationError::operator=+00003647 [ 71] 0x7f2795fc C:\Program Files (x86)\matlab\bin\win32\mcr.dll+00038396 mcr_invoke_on_interpreter_thread+00001772 [ 72] 0x004051a5 C:\Program Files (x86)\matlab\bin\win32\MATLAB.exe+00020901 [ 73] 0x004057ee C:\Program Files (x86)\matlab\bin\win32\MATLAB.exe+00022510 [ 74] 0x00405c1d C:\Program Files (x86)\matlab\bin\win32\MATLAB.exe+00023581 [ 75] 0x758d38f4 C:\WINDOWS\SYSTEM32\KERNEL32.DLL+00080116 BaseThreadInitThunk+00000036 [ 76] 0x776156c3 C:\WINDOWS\SYSTEM32\ntdll.dll+00415427 RtlUnicodeStringToInteger+00000595 [ 77] 0x7761568e C:\WINDOWS\SYSTEM32\ntdll.dll+00415374 RtlUnicodeStringToInteger+00000542