Developer shares 5 fixes for running a WhatsApp AI bot reliably on Windows 24/7

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A developer documented five key challenges encountered while self-hosting a WhatsApp AI chatbot continuously on a Windows PC using Node.js and the local LLM tool Ollama. The bot would stop running whenever the terminal was closed, a problem solved by using the process manager PM2 to keep it alive persistently. Repeated QR code authentication was avoided by enabling local session storage through whatsapp-web.js, while sluggish response times were addressed by switching to a smaller, faster language model. Robust error handling was also added to prevent a single failed request from crashing the unattended bot. The setup requires no VPS, paid AI API, or cloud hosting fees, relying entirely on existing hardware to handle inference locally.

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