Hi!
Filebeat 7.12 (x86) on Windows machine cannot start after incorrect OS reboot (possibly after power supply lost).
Log shows that registry data files are corrupted. The only way I found to manually start filebeat is deleting registry data dir.
2021-04-08T18:50:04.462+0300 INFO instance/beat.go:468 filebeat start running.
2021-04-08T18:50:04.472+0300 INFO [monitoring] log/log.go:117 Starting metrics logging every 30s
2021-04-08T18:50:05.125+0300 ERROR beater/filebeat.go:351 Could not init registrar: failed to open store 'filebeat': corrupted data file: invalid character 'v' after object key
2021-04-08T18:50:05.191+0300 INFO [monitoring] log/log.go:152 Total non-zero metrics {"monitoring": {"metrics": {"beat":{"cpu":{"system":{"ticks":280,"time":{"ms":280}},"total":{"ticks":763,"time":{"ms":763},"value":763},"user":{"ticks":483,"time":{"ms":483}}},"handles":{"open":128},"info":{"ephemeral_id":"e45fc94e-c59b-44f9-b521-df368d79062a","uptime":{"ms":8311}},"memstats":{"gc_next":14358272,"memory_alloc":12650408,"memory_sys":24988668,"memory_total":42061160,"rss":42430464},"runtime":{"goroutines":14}},"filebeat":{"harvester":{"open_files":0,"running":0}},"libbeat":{"config":{"module":{"running":0}},"output":{"events":{"active":0},"type":"elasticsearch"},"pipeline":{"clients":0,"events":{"active":0}}},"registrar":{"states":{"current":0}},"system":{"cpu":{"cores":2}}}}}
2021-04-08T18:50:05.192+0300 INFO [monitoring] log/log.go:153 Uptime: 8.3344767s
2021-04-08T18:50:05.192+0300 INFO [monitoring] log/log.go:130 Stopping metrics logging.
2021-04-08T18:50:05.258+0300 INFO instance/beat.go:474 filebeat stopped.
2021-04-08T18:50:05.273+0300 ERROR instance/beat.go:971 Exiting: failed to open store 'filebeat': corrupted data file: invalid character 'v' after object key