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I'd rather not uninstall the program. Kind of a pain to setup everything again.
No worries. Unstalling will keep your configuration which is stored in c:\Users\[username]\AppData\Roaming\AwesomeMiner.
to be very safe you can always back this up. Or use the export feature

Should have backed up....
oh well, at least it is opening now.
I'm sorry to hear that your settings was lost. Awesome Miner do keep two backup files in case the primary file get corrupt. Could you send me the log file one more time after you lost the settings? If it was due to a downgrade, I might be able to find and recover your old settings in the log file, a bit depending on which log level that was used.