VERY slow click reation in Kmail

for some reason after holding down L button to highlight a lot of posts I wanted to delete, my reaction time has slowed to the point madness!!! How do I fix this??? There was a beep & a quick unreadable something about change...I thought I had gotten out before is did anything...no such luck ;^(. I have looked high & low for some kind of setting section. -- Gracia...Cooleemee, NC Registered Linux user #263390 - SuSE 10 Pro My country, right or wrong. If right, to be kept right, if wrong, to be put right.