I upgraded to 22.214.171.1243 some time ago and it immediately stopped working, crashing as soon as it started. I uninstalled it and installed an earlier version but that was not successful so I just installed the latest version a second time and it fails in the same way. Starting Eraser as an app it just fails. As a shell extension I get a message "Unable to acquire a cryptographic service provider". I have a screenshot but cannot attach it here so will email it if required.