|Try this , First reset modem\router . shut down the PC , disconnect the mode\router........from everything , take a ball point pen and insert it gently in the small hole at the back , depress for 15 seconds , the put the power jack in first , next the DSL line, wait until the led stops flashing and then plug in the computer\s and boot .|
next flush dns , this will resolve a corrupt dns folder
start>search>type cmd> right click " command " and run as admin .
type cd\ and press enter next at the prompt type ipconfig /flushdns
If you have a copy of HostsXpert , select MS default , if you don't have a copy , then copy across with cd or usb .
And lastly winsock reset , as above from an elevated command prompt cd\ >press enter , from c:\> netsh winsock reset
c:\>netsh winsock reset and then press enter
At the first opportunity run a quick scan of MalwareBytes Anti Malware , how to down load this properly
can be found on posts answered by Jabuck on the Security and Virus Forum of this site.