ccs v5.5 windows install fails on Windows 7

I'm trying to install CCSv5 5 on my Samsung series 5 and I have this error:

Error in action ExecuteAction

Error in action ExecuteAction

Error in action ExecuteScript

Error in action ExecuteExternalProgram_Join

couldn't execute "C:\Users\ARMANDO": no such file or directory
    while executing
"::InstallJammer::actions::$component $this"
    while executing
"::InstallJammer::actions::$component $this"
    while executing
"$obj execute"
    (procedure "::InstallJammer::ExecuteActions" line 69)
    invoked from within
"::InstallJammer::ExecuteActions $action -parent $id -conditions $eval"
    (procedure "::InstallJammer::actions::ExecuteAction" line 35)
    invoked from within
"::InstallJammer::actions::$component $this"
    while executing
"$obj execute"
    (procedure "::InstallJammer::ExecuteActions" line 69)
    invoked from within
"::InstallJammer::ExecuteActions $action -parent $id -conditions $eval"
    (procedure "::InstallJammer::actions::ExecuteAction" line 35)
    invoked from within
"::InstallJammer::actions::$component $this"
Error in action ExecuteAction

Error in action ExecuteAction

Error in action ExecuteScript

Error in action ExecuteExternalProgram_Join

couldn't execute "C:\Users\ARMANDO": no such file or directory
    while executing
"::InstallJammer::actions::$component $this"
    while executing
"::InstallJammer::actions::$component $this"
    while executing
"$obj execute"
    (procedure "::InstallJammer::ExecuteActions" line 69)
    invoked from within
"::InstallJammer::ExecuteActions $action -parent $id -conditions $eval"
    (procedure "::InstallJammer::actions::ExecuteAction" line 35)
    invoked from within
"::InstallJammer::actions::$component $this"
    while executing
"$obj execute"
    (procedure "::InstallJammer::ExecuteActions" line 69)
    invoked from within
"::InstallJammer::ExecuteActions $action -parent $id -conditions $eval"
    (procedure "::InstallJammer::actions::ExecuteAction" line 35)
    invoked from within
"::InstallJammer::actions::$component $this"
    while executing
"$obj execute"
    (procedure "::InstallJammer::ExecuteActions" line 69)
    invoked from within
"::InstallJammer::ExecuteActions $id -when $when"
    (procedure "::InstallJammer::RaiseEventHandler" line 93)
    invoked from within
"::InstallJammer::RaiseEventHandler  .wizard"
    (command bound to event)

I download the ccs v5.5 full offline installer from http://processors.wiki.ti.com/index.php/Download_CCS

I installed windows 7 on my laptop yesterday and I already did all updates.

Please, help me, I really need this program.

CCSv5 5,