gun problem and more...

I get dc after every 3 games.. i just got my 5 de scope crates from the badges and won a micro galil scope for 7 days and 30 minutes after i logged out the gun broke 100% and now when i dc and log back on it say someone is on my acc but when i go on no one is on then all my marco's are being deleted again... HELP ME PLZ!!!!!!