We are executing our selenium automation script using jenkins window service(Headless mode) on daily basis .it was working fine till yesterday. suddenly it stopped working a
Possible problem is that your Google Chrome updated and became incompatible with your Chromedriver. I suggest either getting a new Chromedriver or downgrading your Google Chrome to a previous version and disabling auto updates.
You can verify the required Chromedriver version for your Google Chrome here: http://chromedriver.chromium.org/downloads
Step 4 of the following link worked for me to disable automatic google Chrome updates. https://www.webnots.com/7-ways-to-disable-automatic-chrome-update-in-windows-and-mac/