Dear HEvangelista,

For Windows: look this message on twitter about reaper to use your graphic card because CPU isn't working well now with difficulty too high again.
https://twitter.com/changeworld2/status/882318133683515392

Maybe you should control temperature of GPU. For windows you could use HWMonitor:
http://www.cpuid.com/softwares/hwmonitor.html

The website to get the wallet I told already, here again:
http://luckycoin.cc