Portable "cracked" versions are notorious for hiding keyloggers or backdoors that activate the moment you run the Verification Failure:
Net+Uptime+Monitor+License+Key+Portable is a network uptime monitoring tool that provides a portable and efficient way to track the availability and performance of your network devices. This software is designed to be lightweight, easy to use, and highly customizable, making it a great option for network administrators and IT professionals. net+uptime+monitor+license+key+portable
The software functions by pinging three high-performance public servers (defaulting to Google, Level 3, and Cloudflare) at user-defined intervals, typically every five seconds. easy to use
Here are some specifications for Net Uptime Monitor: and highly customizable