Git For Windows Curl -43- A Libcurl Function Was Given A Bad Argument ((install)) Jun 2026

git clone git@github.com:user/repo.git

A developer at a large enterprise had HTTP_PROXY set to http://proxy.corp:8080 (correct) but also no_proxy=* . This wildcard caused libcurl to receive an invalid argument when parsing "any proxy". Removing the wildcard fixed it. git clone git@github

It tells Git: "Stop looking for a separate certificate file. Use the Windows Certificate Store instead." git clone git@github

The most effective solution is to update your Git installation. Version 8.10.1 and later of curl resolved the primary trigger for this error. Open . git clone git@github

libcurl/8.4.0 OpenSSL/3.1.4

You can check if your curl and libcurl versions match by running: Use code with caution. Copied to clipboard If the version numbers for