When you say it loops is it just running and then goes back to the screen without an error or any notification and still shows the trial license? Can you confirm that the license is for Jira Software. Also have you tried a new browser just to rule out that is the issue.
Sorry for the delay your response got lost in my email. Have you tried restarting the service?
Also can you please review the Jira log (atlassian-jira.log) and provide the entry's found during the time of update. It is usually found on the server in JIRA/home/log/atlassian-jira.log
Type Level Problem Last Occurrence Matches
DEBUG Find the last login date for a user in Jira server 4 days ago 6 matches, last match on line 33693
WARN Tomcat Reports Package Scanner Found Duplicates when Starting JIRA 4 days ago 66 matches, last match on line 30928
ERROR Generic 'Internal Server Error' on a JIRA application page 4 days ago 27 matches, last match on line 26283
ERROR Operations fail in Jira server with connection pool errors in logs 5 days ago 282 matches, last match on line 21770
WARN Jira server fails to start or functionality fails with ClassNotFoundException in logs 5 days ago 6 matches, last match on line 17462
ERROR Connection Reset when Accessing the Database 5 days ago 12 matches, last match on line 11231
Current file:: atlassian-jira.log
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