Some "generators" are actually fronts for malware. Never download an .exe file to "generate" a link; legitimate PLGs are always browser-based.
Services like Real-Debrid or AllDebrid aren't free, but they are very cheap (usually around $4/month). They support Hot4share along with dozens of other hosts (Keep2Share, Rapidgator, etc.), providing a much more stable experience than free generators. Hot4share - Free Premium Link Generator
Hot4share occasionally offers holiday discounts. If you download from them daily, a 30-day official pass is the only way to guarantee 100% uptime. Some "generators" are actually fronts for malware