Psminitsessionexe

If you suspect a fake psminitsessionexe but cannot uninstall (e.g., corporate PC), create a rule in Windows Defender Firewall or your AV to block outgoing connections for that file path.

Here is a deep dive into what this file does, why it’s important, and how to troubleshoot common issues related to it. What is psminitsession.exe? psminitsessionexe

psminitsessionexe is a legitimate and necessary component of the Puppet configuration management tool on Windows. It solves a complex technical problem: safely executing automation scripts inside the isolated Session 0 environment. If you suspect a fake psminitsessionexe but cannot

In short: for the Puppet Windows Agent.

: Usually means the process timed out before it could start. why it’s important