Install error

Nov 16, 2015 at 3:28 PM
I cannot install the NodeXL, the error said that:
can not process attribute value of "type",error is cannot load document or program., Version= Culture=neutral, PublicKeyToken=71e9bce111e9429c" or one of it's reliance. The system can not find specific file.(C:\Program Files\Common Files\Microsoft Shared\VSTOInstaller.exe.Config line 10)

What should i do?Thanks