This problem occurs due to wrong configuration in Turbo C++ directories.
Follow these steps to fix the problem -
Step 1 - Open Turbo C++.
Step 2 - Go in Options menu.
Step 3 - Then in Directories...
Step 4 - Replace the directories with following -
- Include Directories ->
C:\TURBOC3\INCLUDE - Library Directories ->
C:\TURBOC3\LIB - Output Directory ->
C:\TURBOC3\SOURCE - Source Directories ->
C:\TURBOC3\SOURCE
Step 5 - Finally click OK and finished processes. It will now work properly.