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# Turbo C++ Error - Unable to Open Include File 'STDIO.H'
- URL: https://developerinsider.co/turbo-cpp-error-unable-to-open-include-file-stdio-h/
- Published: 2017-09-03T16:47:58.000Z
- Updated: 2018-03-29T17:01:03.000Z
- Author: Vineet Choudhary
- Tags: Turbo C++, FAQ

This problem occurs due to wrong configuration in [Turbo C++](https://developerinsider.co/download-turbo-c-for-windows-7-8-8-1-and-windows-10-32-64-bit-full-screen/) directories.  
![](https://github.com/developerinsider/developer-insider-content/blob/master/POST/Tools/TurboC/TurboFAQ/UnableToIncludeFile/Problem.jpg?raw=true)

## Follow these steps to fix the problem -

**Step 1** \- Open [Turbo C++](https://developerinsider.co/download-turbo-c-for-windows-7-8-8-1-and-windows-10-32-64-bit-full-screen/).  
**Step 2** \- Go in `Options` menu.  
**Step 3** \- Then in `Directories...`

![](https://github.com/developerinsider/developer-insider-content/blob/master/POST/Tools/TurboC/TurboFAQ/UnableToIncludeFile/step1.png?raw=true)

**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`

![](https://github.com/developerinsider/developer-insider-content/blob/master/POST/Tools/TurboC/TurboFAQ/UnableToIncludeFile/step2.png?raw=true)

**Step 5** \- Finally click OK and finished processes. It will now work properly.