Troubleshooting Ranorex Studio prerequisites on Windows 11 – Ranorex

This article explains how to troubleshoot issues that can occur when the Microsoft Visual C++ Redistributable is not installed correctly by the Ranorex Studio prerequisites installer on a clean Windows 11 machine.

Symptoms

After installing Ranorex Studio on a clean Windows 11 machine, one or more of the following issues may occur:

Ranorex cannot interact with .NET Framework WinForms applications.
Ranorex Spy cannot recognize elements in .NET Framework applications.
Injection into .NET Framework applications fails without displaying an error.
Injection into .NET Core or .NET 5+ framework-dependent applications may also fail.
No installation errors are reported during the Ranorex Studio installation.
Running a Ranorex test executable with Remote Agent command-line arguments results in an unhandled exception.

Cause

On clean Windows 11 installations, the Ranorex Studio prerequisites installer may incorrectly determine that the Microsoft Visual C++ Redistributable is already installed and skip its installation.

Although Windows 11 includes some Visual C++ runtime components for system applications and Microsoft Store applications, these components do not replace the desktop Microsoft Visual C++ Redistributable required by Ranorex.

When the required redistributable is missing:

vcruntime140.dll is not available in the global Windows runtime locations, such as System32 and SysWOW64.
The Microsoft Visual C++ Redistributable is not registered in Windows.
Ranorex native injection components cannot be loaded into the target application process.
Injection may fail silently.

Affected application types

Target application type	Affected?	Reason
.NET Framework applications	Yes	These applications rely on the system-wide desktop Visual C++ runtime.
.NET Core / .NET 5+ framework-dependent applications	Potentially	The application may not include its own copy of `vcruntime140.dll`. Ranorex hook DLL dependencies are resolved through the target process DLL search path.
.NET Core / .NET 5+ self-contained applications	Unlikely	These applications usually include the required runtime files in the application folder.

Note: When Ranorex injects a native hook DLL into a target process, the DLL dependencies are resolved using the target process DLL search order. If vcruntime140.dll is not available in the application directory, System32, SysWOW64, or the system PATH injection can fail regardless of the .NET version used by the target application.

Verify whether the Microsoft Visual C++ Redistributable is installed

Use the following checks to confirm whether the required runtime is installed.

Check for runtime DLLs

Open PowerShell and run:

Test-Path "$env:SystemRoot\System32\vcruntime140.dll"
Test-Path "$env:SystemRoot\SysWOW64\vcruntime140.dll"

Expected result when the redistributable is installed:

True
True

If either command returns False, the required runtime is missing.

Check the registry

Run the following commands in PowerShell:

Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64"
Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86"

If the registry keys do not exist, the Microsoft Visual C++ Redistributable is not installed.

Check installed Visual C++ packages

Run:

$paths = @(
    "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*",
    "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*"
)
Get-ItemProperty $paths -ErrorAction SilentlyContinue |
    Where-Object { $_.DisplayName -match "Visual C\+\+" } |
    Select-Object DisplayName, DisplayVersion

If no Microsoft Visual C++ Redistributable packages are returned, the runtime is not installed.

Note: Windows 11 may include AppX VCLibs packages, such as Microsoft.VCLibs.140.00, or application-local copies of vcruntime140.dll, for example inside Microsoft Edge WebView or other Windows components. These do not replace the desktop Microsoft Visual C++ Redistributable and are not sufficient for Ranorex.

Solution

Install the latest supported Microsoft Visual C++ Redistributable manually.

Download and install both packages from Microsoft:

x64 package: https://aka.ms/vs/17/release/vc_redist.x64.exe
x86 package: https://aka.ms/vs/17/release/vc_redist.x86.exe

Install both packages, even on a 64-bit operating system. This is required because Ranorex may interact with both 32-bit and 64-bit applications.

To install the packages silently, run:

& ".\vc_redist.x64.exe" /install /quiet /norestart
& ".\vc_redist.x86.exe" /install /quiet /norestart

Alternatively, run the installers interactively by double-clicking them.

After installation, restart the computer if prompted.

Verify the fix

After installing the Microsoft Visual C++ Redistributable:

Confirm that the following files exist:
%SystemRoot%\System32\vcruntime140.dll
%SystemRoot%\SysWOW64\vcruntime140.dll
Confirm that the following registry keys are present:
HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64
HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x86
Launch Ranorex Studio.
Repeat the automation scenario.
Verify that Ranorex Spy can identify controls in the target application and that injection succeeds.

Additional information

This issue affects systems where the desktop Microsoft Visual C++ Redistributable has never been installed.

Although Windows 11 includes certain Visual C++ runtime components for internal system use and Microsoft Store applications, these components are isolated and do not provide the desktop runtime required by Ranorex native components.

The issue can affect any .NET application in which vcruntime140.dll is not in the target process's DLL search path. Self-contained .NET Core and .NET 5+ applications are less likely to be affected because they usually include the required runtime files locally. Framework-dependent applications may be affected in the same way as .NET Framework applications.