After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?

Contact the application's vendor support line

After upgrading your computer to a new DOS version, an older applicati

1.	After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?
A.	Use the DOS+ command
B.	Use the SETVER command
C.	Restore the old DOS version
D.	Contact the application's vendor support line
E.	None of the above
Answer» C. Restore the old DOS version

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After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?

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