Are there many users in Singapore facing the same problem
recently?
Yes -> Singnet's problem. Call them up.
No -> Your problem, continue below:
Do other computers on your home network have the same
problem?
Yes -> Your router, modem or both is screwed. Connect directly
to the modem to figure out which is screwed.
No / I don't use a router -> Your PC, connection to router/modem
or both is screwed, continue below:
Does another computer using the same LAN cable to your
router/modem have the same issue?
Yes -> Change your cable.
No / Wireless -> Your PC is screwed, continue below:
Does switching to another web browser help?
Yes -> Your IE is screwed. Use Chrome/Firefox.
No -> Your PC is really screwed, continue below:
Does running an anti-virus scan help?
Yes -> Your PC is fixed.
No -> Your PC is really, really screwed. Wait for more replies
on this thread.