error message !

During the installation of the access of to a citrix server, i got the
following message ? what's wrong ? how to fix ?
Thanks for your help
16 bit Windows Subsystem
C:\\WINDOWS\\SYSTEM32\\AUTOEXEC.NT. The system file is not suitable for running
MS-DOS and Microsoft Windows applications. Choose 'Close' to terminate the
Close Ignore
Reply to
Joao Saraiva
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