Volume says "..Attaching".. Instance stuck on "Stopping"

Please check Status Health Dashboard:

• https://status.aws.amazon.com/

As well as your Personal Health Dashboard:

• https://phd.aws.amazon.com/phd/home#/event-log?eventID=arn:aws:health:us-east-1::event/EC2/AWS_EC2_OPERATIONAL_ISSUE/AWS_EC2_OPERATIONAL_ISSUE_WCDUM_1640176551&eventTab=details

To see whether issue highlighted above is affecting your EC2 instances. If you want additional details, please open a support case with AWS using the following link.

If it is in us-east-1 (N.Virginia) region then this can be attributed to the LSE, so please wait for it to get resolved. Also check the AWS Service Health Dashboard for updates, also you can check the AWS Personal Health Dashboard in your AWS account.