Starting yesterday, every time I try to open AE I get an error and it doesn't open. I have updated. I have restarted my computer. I have uninstalled and restarted my computer. I don't know what I need to do.
Suggestions provided by ToolfarmJP are one of the most common fixes for the crash on launch issue. Did you try them? If none of them help, please share the following details so that we can troubleshoot the issue properly:
Your system specifications (CPU, GPU, RAM, OS)?
The error message that you get (feel free to share screenshot).