Because version 1150 is over a decade old, modern Windows defenses will flag it. Follow this exact protocol:
Solution: Use the Adobe uninstaller tool (version 1150 era) located in %appdata%\Adobe\Flash Player. Alternatively, use Revo Uninstaller Free to scrub remnants of Flash 32.0. Because version 1150 is over a decade old,
During installation, uncheck "Allow Adobe to install updates" and "Send usage data to Adobe." Version 1150 will try to update to the defunct (and malicious) 32.0 version if left online. Because version 1150 is over a decade old,