This usually happens due to Windows File Protection. Run the installer as an Administrator (Right-click -> Run as administrator). If that fails, disable Windows User Account Control (UAC) temporarily, install, then re-enable it.
If you uninstall it, many of your games may stop working or fail to launch.
Open and run:
This usually happens due to Windows File Protection. Run the installer as an Administrator (Right-click -> Run as administrator). If that fails, disable Windows User Account Control (UAC) temporarily, install, then re-enable it.
If you uninstall it, many of your games may stop working or fail to launch.
Open and run: