google Chrom or Talk Bundle cannot be installed

[GoogleCodeExporter]

What steps will reproduce the problem?
1. build omaha with visual studio 2010, successfully pass build and all unit 
tests
2. go into staging folder
3. input 
GoogleUpdate.exe /install 
"bundlename=Google%20Talk%20Bundle&appguid={D0AB2EBC-931B-4013-9FEB-C9C4C2225C8C
}&appname=Google%20Talk%20Plugin&needsadmin=False&lang=en" 

or 

GoogleUpdate.exe /install 
"bundlename=Google%20Chrome%20Bundle&appguid={8A69D345-D564-463C-AFF1-A69D9E530F
96}&appname=Google%20Chrome&needsadmin=True&lang=en"

What is the expected output? 
It's supposed to download and install the product.

What do you see instead?
After downloading is completed, GoogleUpdate.exe crash
showing: 
     Debug Assertion Failed!
     Program: ...\AppData\Local\OmahaCompanyName\Update\GoogleUpdate.exe
     File:f:\dd\vctools\crt_bld\self_x86\crt\src\isctype.c
     Line:56
     Expression:(unsigned)(c+1)<=256

What version of the product are you using?
Visual Studio 2010, python-2.4.4, pywin32-216.win32-py2.4, scons-1.3.1.win32, 
wix37, WTL80_sf, ATL_Server_Source_and_Headers_9_0_70425_Alpha, 
omaha-src-r110.zip

On what operating system?
on Windows 7

Please provide any additional information below.

Original issue reported on code.google.com by mmange...@gmail.com on 7 Mar 2013 at 1:13

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[GoogleCodeExporter]

This issue is gone,after I switch from visual studio 2010 to 2008.

Original comment by mmange...@gmail.com on 11 Mar 2013 at 7:28