When downloading this package from the Microsoft Learn or "My Visual Studio" download page, ensure you select the correct file for the x64 architecture:
To manage the package, you can:
The designation indicates that this specific package is designed for 64-bit Windows operating systems .
"The application was unable to start correctly (0xc000007b)." microsoft visual c 2015 19 redistributable package x64
. While a 64-bit Windows operating system can run both 32-bit (x86) and 64-bit (x64) applications, each application requires the redistributable that matches its internal architecture. Consequently, users often see both x86 and x64 versions of the same redistributable installed on their machines; this is normal and necessary for system-wide software compatibility. Maintenance and Troubleshooting
If a repair does not work, follow the steps above but click instead. Once removed, download a fresh copy of the installer from Microsoft and run it as an administrator (right-click the installer -> Run as administrator ). Method 3: Run Windows Update
They take up very little disk space (usually under 100 MB total). If you are experiencing a specific DLL error, uninstalling and reinstalling the affected version (e.g., the 2015-2022 package for a 2015 error) is the recommended course of action. Removing all of them is a guaranteed way to break multiple programs on your system. When downloading this package from the Microsoft Learn
To resolve these errors, you should always download the latest supported version directly from Microsoft. Because the installer is cumulative, downloading the latest version covers all iterations from 2015 up to today.
While some installations work immediately, a system reboot ensures that Windows properly registers the new DLL paths. Troubleshooting Common Errors
When developers write software using Microsoft Visual Studio, they rely on pre-written blocks of code called C and C++ Runtime (CRT) libraries. Instead of forcing developers to embed these massive libraries into every single application, Microsoft uses a shared system. Consequently, users often see both x86 and x64
Press Windows Key + X and select (or Apps & Features ).
Run the same installer again → select
This is one of the most common errors, often manifesting as "Setup failed with 0x80240017 - Unspecified error".
Corrupt Windows SxS (WinSxS) manifest or multiple conflicting runtimes.