c# windows application for service engineer

precheck check one folder and one file and one service if all 3 exist can perform following tasks. if does not exist msg "application not exist" and cannot proceed further. tasks get particulars of engineer (get date, name, mobileno, siteid, sitename, service key) 1. check service key if valid can proceed else cannot 2. kill running process with the name "[login to view URL]" 3. stop windows service "program2" 4. check windows scheduler if not exist register the scheduler task and check last run date is yesterday 5. delete files which are 90 days old 6. run hdd deframentation on c: behind the scene 7. run diskchk and disk cleanup on c: behind the scene 8. write service report txt file report all above task including precheck status, engineer details, task status should be written to txt file as service report with success or failure. then do http post or ftp the txt file behind the scenes and open the txt file automatically in notepad.