Software⏱️ 2 min read📅 2026-06-03

How to Fix: How do I fix certificate errors when running wget on an HTTPS URL in Cygwin?

Cygwin certificate error fix for HTTPS URLs.

Quick Answer: Use the --trust-server-cert option with wget to trust the server's certificate.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

Certificate errors when running wget on an HTTPS URL in Cygwin can be frustrating, especially if you're not familiar with the underlying causes and solutions. In this article, we'll explore the root causes of these errors and provide step-by-step instructions on how to resolve them.

🛑 Root Causes of the Error

  • The certificate of `www.dropbox.com' is not trusted, and its issuer isn't recognized by your system.

🚀 How to Resolve This Issue

Method 1: Trusting the Certificate

  1. Step 1: Open the Cygwin terminal and run the command `wget --trust-server-cert https://www.dropbox.com` to trust the certificate.

Method 2: Adding Dropbox as a Trusted Certificate Authority

  1. Step 1: Run the command `wget --ca-bundle=/usr/share/certificates/ca-certificates.crt https://www.dropbox.com` to add Dropbox's certificate as a trusted authority.

✨ Wrapping Up

By following these steps, you should be able to resolve the certificate errors when running wget on an HTTPS URL in Cygwin. Remember to always verify the authenticity of the website and its certificate before proceeding with any downloads.

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