sudo apt-get install build-essential
sudo apt-get install libssl-dev

sudo rm -rf /lib/modules/2.6.22-14-generic/ubuntu/wireless/rtl818x/rtl8187.ko
sudo rm -rf /lib/modules/2.6.22-14-generic/ubuntu/wireless/rtl8180/rtl_ieee80211/ieee80211-rtl.ko
sudo rm -rf /lib/modules/2.6.22-14-generic/kernel/net/ieee80211/ieee80211.ko
sudo rm -rf /lib/modules/2.6.22-14-generic/kernel/net/ieee80211/ieee80211_crypt.ko
sudo rm -rf /lib/modules/2.6.22-14-generic/kernel/net/ieee80211/ieee80211_crypt_wep.ko
sudo rm -rf /lib/modules/2.6.22-14-generic/kernel/net/ieee80211/ieee80211_crypt_ccmp.ko
sudo rm -rf /lib/modules/2.6.22-14-generic/kernel/net/ieee80211/ieee80211_crypt_tkip.ko

ifconfig wlan0 down   
rmmod rtl8187

wget http://dl.aircrack-ng.org/drivers/rtl8187_linux_26.1010.zip
unzip rtl8187_linux_26.1010.zip
cd rtl8187_linux_26.1010.0622.2006/
wget http://patches.aircrack-ng.org/rtl8187_2.6.24v3.patch
tar xzf drv.tar.gz
tar xzf stack.tar.gz
patch -Np1 -i rtl8187_2.6.24v3.patch
make
make install