Bit Extra Quality: Api-ms-win-core-version-l1-1-1.dll 64

: This is the most common solution. You should install both the x86 (32-bit) and x64 (64-bit) versions of the latest Microsoft Visual C++ Redistributables .

manually copy it into System32 or SysWOW64 . You’ll likely break Windows’ API Set redirection and cause more errors. Api-ms-win-core-version-l1-1-1.dll 64 Bit

The most reliable "fix" is to run Windows Update to ensure your system files are current. : This is the most common solution

If automated repairs fail, you can manually place the 64-bit version of the DLL in the system folders. Only download DLLs from trusted sources like official Microsoft SDKs to avoid malware. You’ll likely break Windows’ API Set redirection and

If a specific application is triggering this error, reinstalling that program may also resolve the problem.

The most common fix for Windows 7 and Windows 8.1 is to install the update. Microsoft released this via KB2999226.