Error: Setup Failed "0x80070666 Another Version of this product is already installed."
On Windows computers, if Ableton Live fails to install with the error message "0x80070666 - Another version of this product is already installed" your computer may be experiencing an issue with the Microsoft C++ Redistributable.
To troubleshoot this issue, please try one of the two following methods. Administrative access or elevated user account privileges may be needed.
Method 1:
- Under Apps & features, find the apps Microsoft C++ <version> Redistributable <x86> and <x64>.
- Select the latest year available and click Modify. A dialog will appear with the option to Repair.
- Click Repair and allow the process to complete.
- Launch Live 11 to test if the error is resolved.
Method 2:
Reinstall the VC_redist.x64.exe file manually, which might potentially ask you to repair the installation. You can directly download the file here
Please note that this error can also occur when the Live installer is not run from the system disk. If the above steps don't resolve this error:
- Ensure the Live Installer is being run from the system disk, e.g. from the Desktop.
- Check that the Installer files have been fully unpacked and extracted exactly as described in the article Installing Live.