Timeouts and performance problems

Hi,
I've had Infinity for a couple of months and everything has been OK up to now. Yesterday though there was an orange light on the broadband. OK, just leave it for a bit might sort itself out. Today, back to work ( I work from home a lot) all lights blue away we go. However, the line speed is slower than usual, getting lots of timeouts from my browser and the VPN on the work laptop keeps dropping. All in all, not good. I've checked the logs on the hub and it seems there was an issue with the time server late Saturday night (time syncronization failed). Since then there have been numerous times when the PPOE has failed. The logs also show the following message a few times: (86420.780000) Server URL: https://pbthdm.bt.motive.com; Connecting as user: ACS username.
I'm guessing that the problems today are related to messages in the logs but not sure how.
Any suggestions what is going on? Who do I contact?

I've re-run the speed test. Here they are. Download speedachieved during the test was - 19915 Kbps For your connection, the acceptable range of speedsis 12000-29036 Kbps . Additional Information: IP Profile for your line is -29036 Kbps Upload speed achieved during the test was - 3819 Kbps Additional Information: Upstream Rate IP profile on your line is - 10000 Kbps Although the speed has dropped markedly since Saturday, its the dropouts, the VPN unable to connect and the slow respnses when trying to connect to websites quickly (DNS issue?) that is bothering me. It's not just one website that the problem is with, its any.

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