api-ms-win-core-localization-l1-2-0.dll is a Dynamic Link Library (DLL) file that contains functions used by various Windows programs and applications for localization purposes, such as displaying text in the correct language for a particular region or locale. The DLL file is part of the Microsoft Windows operating system and is used by many different programs. If the api-ms-win-core-localization-l1-2-0.dll file is missing from your computer, you may encounter errors when trying to run certain programs or applications that rely on this DLL file. Some common error messages associated with a missing api-ms-win-core-localization-l1-2-0.dll file include "The program can't start because api-ms-win-core-localization-l1-2-0.dll is missing from your computer" or "api-ms-win-core-localization-l1-2-0.dll not found".

To fix this issue, you can try the following steps: 1. Run a virus scan on your computer to make sure that the DLL file was not deleted or quarantined by your antivirus software. 2. Use the System File Checker tool to replace the missing or corrupt api-ms-win-core-localization-l1-2-0.dll file with a new copy. To do this, open a Command Prompt as an administrator and type the following command: sfc /scannow 3. Reinstall the program or application that is generating the error message. 4. Replace the missing DLL file with a new copy.