system.argumentnullexception BatchPatch Forums Home › Forums › BatchPatch Support Forum › system.argumentnullexception This topic has 2 replies, 2 voices, and was last updated 5 years, 2 months ago by SCT. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 7, 2020 at 12:34 pm #12211 dougModerator This bug was fixed in 2019.10.18. I assume you are using an older version. Try closing all instances of BP and then delete HKCU\Software\BatchPatch\Email\SMTPPassword or update to the latest version. February 10, 2020 at 4:51 am #12212 SCTParticipant Hey Doug, it’s working when i delete the regkey. Thanks a lot! Jonas Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In