Before starting up FreeSwitch, make sure you have the Microsoft VC++ 2008 redistributable library installed:

 http://www.microsoft.com/downloads/details.aspx?familyid=9B2DA534-3E03-4391-8A4D-074B9F2BC1BF&displaylang=en   (free download)

Please see this link for a Windows quick start guide:

http://wiki.freeswitch.org/wiki/Download_%26_Installation_Guide#Precompiled_Binaries