For Windows 7 systems past end-of-life (January 2020), consider upgrading to Windows 10/11 if possible, as modern runtimes and loader behaviors are better standardized, reducing the likelihood of this error. Technical Support Engineering Document version: 1.0 Last updated: [Current date]
1. Executive Summary | Attribute | Details | |-----------|---------| | Error Code | 0xc00007b (also seen as 0xC000007B ) | | Full Message | The application was unable to start correctly (0xc00007b). Click OK to close the application. | | Affected OS | Windows 7 64-bit (also occurs on 8/10/11, but common on Win7) | | Primary Cause | Bitness mismatch between application and system DLLs (most commonly 32-bit app trying to load 64-bit DLL, or vice versa) | | Secondary Causes | Corrupt system files, missing Visual C++ runtimes, faulty .NET Framework, corrupt Windows image | 2. Technical Explanation of Error 0xc00007b The status code 0xc00007b translates to STATUS_BAD_IMAGE_FORMAT . This is a Windows NT kernel error indicating that the executable image (EXE or DLL) has an invalid format for the environment in which it is being loaded. For Windows 7 systems past end-of-life (January 2020),
After installing the Readiness Tool, run: Click OK to close the application