[squid-users] NONE_ABORTED in access log and network is slowï؟½

I am using squid 3.3.9, always getting NONE_ABORTED/000 or TCP_MISS_ABORTED/000. My internal network gets slow after it.

Please help me.

Find the below part of access.log file for details.
1380028608.317 172.16.101.85 TCP_MISS/200 433 http://sk.ybinst9.ec.yimg.com/ec/fd/ls/GlinkPing.aspx?
1380028608.658 172.16.100.114 NONE_ABORTED/000 0 http://weather.partners.msn.com/data.aspx?
1380028609.010 172.16.100.248 TCP_MISS/200 363 http://hzmksreiuojy.nl/ldr.php
1380028609.010 172.16.100.248 TCP_MISS/200 363 http://hzmksreiuojy.nl/ldr.php
1380028610.050 172.16.100.248 TCP_MISS/200 363 http://hzmksreiuojy.nl/ldr.php
1380028610.557 172.16.101.92 NONE_ABORTED/000 0 http://www.msftncsi.com/ncsi.txt
1380028611.410 172.16.100.246 NONE_ABORTED/000 0 http://cache-download.real.com/free/windows/installer/upgradehelper/xml/v10/rp16/stubinst_config_en.xml?
1380028618.606 172.16.101.88 NONE_ABORTED/000 0 http://service.amasvc.com/creative.jsonp?
1380028618.680 172.16.101.148 NONE_ABORTED/000 0 http://download368.avast.com/iavs5x/vps_win32-bed-bec.vpx
1380028619.261 172.16.101.15 NONE_ABORTED/000 0 http://download.microsoft.com/windowsupdate/v5/redir/wuredir.cab?
1380028621.043 172.16.100.147 TCP_MISS_ABORTED/000 0 http://su.ff.avast.com/R/A00KIGViOWMxYmZmN2Y1MTQ5MDFhYTdmNDI4YmNlY2Y2ZDMyEgQBIwkTGHgiAf4qBwgEEOH1_BkqBAgDEAAyCggEEOH1_BkYgAo4y4uAQA==
1380028621.088 172.16.100.246 TCP_MISS_ABORTED/000 0 http://au.download.windowsupdate.com/msdownload/update/software/secu/2012/06/windows6.1-kb2691442-x86_8729af4a5b25ad97923513c6c48f511924f65e3b.psf
1380028624.069 172.16.100.222 NONE_ABORTED/000 0 http://www.msftncsi.com/ncsi.txt
1380028626.091 172.16.101.169 TCP_MISS/200 385 http://notify4.dropbox.com/subscribe?
Received on Tue Sep 24 2013 - 11:20:23 MDT