Some customers have experienced a HTTP Error 500.19 immediately after installing version 6 of Passwordstate, and this is generally caused by configuration settings in the web.config file being blocked by upper-level IIS configuration file. The detail of the error is: Detailed Error Information Module: CustomErrorModule Config Error: This configuration section cannot be used at this path. This happens when the section is locked at the parent level...... Config Source: <section name="httpEr