Receiving Malicious URL Blocked, even when the browser is not opened
this indicate possible infection...
start a topic in viruses and worms forum section....
in that section, follow the
logs to assist in cleaning malware guide at top in that section
run the first 4 programs in that guide in order they are listed and
attach the logs
when done, malware experts will be notified and help you ..... guess they all are in bed now so help will arrive tomorrow