opnet simulation error

i m new to opnet14.5. pls help with this error also tel what this means.....


<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless\dra_bkgnoise.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless\dra_closure.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless\dra_snr.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_ber.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_chanmatch.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_ecc.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_error.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_inoise.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_power.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_propdel.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_rxgroup.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Win32: unable to launch program with CreateProcess():
LINK /DUMP /SYMBOLS "C:\OPNET\14.5.A\models\std\wireless_lan\wlan_txdel.dev32.i0.ps.obj"

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<<< Recoverable Error >>>
Object repository construction failed
due to errors encountered by the binder program (bind_so_msvc)
T (0), EV (-), MOD (NONE), PROC (sim_load_repos_rebuild)
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Errors reported by the binder program follow
(these messages have been saved in (C:\Documents and Settings\cisco\op_admin\tmp\bind_err_1516):
bind_so_msvc: Unable to execute bind program (Win32 error code: 2)

Check that Visual C++ has been installed correctly, and that

its BIN directory is included in the Path environment variable.


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<<< Program Abort >>>
Error encountered rebuilding repository -- unable to proceed
T (0), EV (-), MOD (NONE), PROC (sim_load_repos_load)