Upgrade failed

Upgrade failed

I just ran the update to build 8121 and forgot to turn off the manage engine service and forgot to take a backup. Is my installation borked? I can get to the logon screen but when I try to login it waits for about 3 minutes then displays a bunch of exception error gook. What should I do? yes yes i know i should have backed up... i'm an idiot. Please help!

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