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Windows 7: Side-by-Side configuration is invalid - it's

  • Feb 02, 2026
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Occurs on Windows 7 at the Start of a program or service, the error "Side-by-Side configuration is invalid", there are two ways to fix this. We will show you how to do it.

Windows 7 Side-by-Side configuration is invalid - uninstall a program

It is only a small program, which would suddenly start, it may help to reinstall.
  1. Click the bottom left of the screen to the Windows Button.
  2. It is the Start menu, where you select right to access the "control panel" will open.
  3. Here you will find under the category "applications" the Option "uninstall programs". Here you can see all the installed programs.
  4. Click with the right mouse button on the desired program. It's the context menu where you can click on the "Uninstall" window opens.
  5. Follow the steps in the uninstallation program.
Win 7 - uninstall programs
Now you can reinstall the program, for example, from an installation DVD. Many free programs can also be found in our Download area.
  • Please note that certain configurations or game statuses can be deleted. If you have carried out on the program so many changes, you might want to install Visual C++ 2012.

Visual C++ 2012 install to repair faulty Side-by-Side configuration

A reinstall has not led to success, you should install the program-execution environment "Visual C++ 2012 Redistributable". The program should already be installed, it is installed at the new - possibly broken DLL library be eliminated files too.
  1. Download Microsoft Visual C++ Redistributable 2012 download.
  2. Once there, click on "Download" and select the required Installer. Here you can select between the installation program for x64 and x86 systems.
  3. Click on "Continue" and start the Installer after the Download. You follow to install the instructions in the program.
Visiual C++ 2012 download
If you have problems, your Windows Design to change, you might find here the solution.

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