Installed gutters corner leaks gutter is 5/8" from...

Installed gutters corner leaks gutter is 5/8" from facia for aproximatly 4 feet from corner its not pitched properly I called let them know they set up appointment for someone to come fix gutters they didnt show wife called they said it was scheduled for next day I called they admitted it was changed we were not notified . Someone finally came out smeard caulk all over inside gutter it still leaks .they didn't try to fix the rest of the problems . Do not use this company for anything.