Sorry for the delay in replying, nl3ehv.nl.  Where are you seeing the "lost contact" message?  The Litecoin p2pool is fully alive at TreasureQuarry.

The "Stratum requested work restart" messages are normal.  P2Pool has its own sharechain and awards a share every 15 seconds to someone in the Litecoin p2pool network which TreasureQuarry is a part of.  As a result you'll see a lot of these restart messages.

Being realistic, with the hashrate you've mentioned you're unlikely to manage to solve any shares. It's best to look into getting a Scrypt ASIC miner for Litecoin mining these days.