Probably error, but better reboot it.
Can you give me your settings for miningrigrentals? I'm having trouble connecting using claymore 10.2 dagger :
Claymore EthDcrMiner64: in epools.txt
POOL: us-central01.miningrigrentals.com:3344, WALLET: seanreit.56660, PSW: x, WORKER: seanreit.56660, ESM: 1, ALLPOOLS: 1