You got to give more info on the dc. Check your internet and pc. If you think your internet is good and fast with no interference then call you isp asking if theres any interference on the network. For pc. if you think yours is good then you got to do a format. Save all file thats important in an spare drive before doing so tho. Or you can scan you computers from spyware.adware.virus.etc.
ohh um i think i now why u havnt got asian language installed on your comp i think you will d/c then because the comp wont get the korean chars in the data files and will eventually d/c crash cause it has no idea about korean language ^^ itsl ike comp has too learn it only that he learns it in 5 sec lol!