ntvdm

Whenever I tried to execute Turbo C++ . I got following messege. 16 bit MS-DOS Subsystem Turbo C++ IDE The NTVDM CPU has encountered an illegal instruction. CS:0000 IP:0077 OP:f0 37 05 0e 02 Choose ‘Close’ to terminate the application. Help me to dig out this problem.

everytime i choose to run a windows tool from START --> RUN, i get an error. actually a console window opens up alongwith a error dialog box. this dialog's title says "16 bit MS DOS subsystem". the error text is "c:\windows\... (the path to the file i was tryin to run)" and "The NTVDM CPU has...