I have disabled my anti-virus, I have disabled both ad-blockers. I have uninstalled two sketchy installations of Photoshop and Elements 12. I have uninstalled and reinstalled Elements 2021 and have turned the fricking computer on and off in between. I'm still getting the error message and I cannot activate. I'm stuck with a useless program and no capable editing program left. Frustrated beyond belief. Please help!
You can try the trouble-shooting steps found here. Otherwise, I suggest youi contact Elements support. You can start a chat session by clicking on the blue Contact Us button under the Support menu at Adobe.com. Or you can contact Support by telephone using the numbers listed here: https://helpx.adobe.com/contact/phone.html.