Apparently a lot of people are having this issue, but I had a popup about wemod not working because of antivirus. Adding exceptions didn't work, so I uninstalled it (as the second suggestion in the popup said) and am now unable to reinstall. I'm getting the same "installation has failed" popup as many others seem to be getting. Opening the setup log didn't help (there was nothing in the text document more recent than 2019, and nothing related to wemod).
I've deleted the wemod folders in AppData\Local and AppData\Roaming & squirrel folders as other posters here were instructed to, tried the manual installer and everything.
My antivirus is Avast, but I disabled everything I could think of on there for a bit in order to try the install again. Still no success unfortunately