How-to view/post in TAMIL ?

[VENKIRAJA]

Recently i crashed ma system as usual and had to reinstall ma stuff......dunno what but tamil fonts appear partially legible to me....:headscratch: its that i can read வணக்கம் perfectly but not words such as கு கெ கே கை கொ கோ கௌ but க கா கி கீ are perfect.....dunno what.....seriously bugs me.....and like its no use reinstalling several times.....help me out!murasu is worser...when i type with murasu its just boxes that appear not letters!