.hmm... installed wine and tried :
wine xptminer.exe -s 1900000000 -o
http://ypool.net -u USER -p PASSS -t 4
----------------------------
xptMiner/ric/dga (xptMiner 1.7dga-b15)
author: jh00 (xptminer) dga (ric core)
http://ypool.net----------------------------
Launching miner...
Using 4 +1 CPU threads
Fee Percentage: 0.00%. To set, use "-d" flag e.g. "-d 2.5" is 2.5% donation
Launching the 5 threads
Connected to server using x.pushthrough(xpt) protocol
xpt: Logged in with rieaarr.RIC_1
New block data - height: 45194 tx count: 0
Generating table of small primes for Riecoin...
err:ntdll:RtlpWaitForCriticalSection section 0x444160 "?" wait timed out in thread 0026, blocked by 0024, retrying (60 sec)
err:ntdll:RtlpWaitForCriticalSection section 0x444160 "?" wait timed out in thread 0028, blocked by 0024, retrying (60 sec)
err:ntdll:RtlpWaitForCriticalSection section 0x444160 "?" wait timed out in thread 0029, blocked by 0024, retrying (60 sec)
err:ntdll:RtlpWaitForCriticalSection section 0x444160 "?" wait timed out in thread 0027, blocked by 0024, retrying (60 sec)
err:ntdll:RtlpWaitForCriticalSection section 0x444160 "?" wait timed out in thread 0025, blocked by 0024, retrying (60 sec)
[00:00:00] Start mining
[00:00:00] 2ch/s: 0.0000 3ch/s: 0.0000 4ch/s: 0.0000 Shares total: 0 / 0
[00:00:08] 2ch/s: 0.0000 3ch/s: 0.0000 4ch/s: 0.0000 Shares total: 0 / 0
Ping 53.8ms (Average 53.
[00:00:16] 2ch/s: 0.0000 3ch/s: 0.0000 4ch/s: 0.0000 Shares total: 0 / 0
[00:00:24] 2ch/s: 0.0000 3ch/s: 0.0000 4ch/s: 0.0000 Shares total: 0 / 0
New block data - height: 45195 tx count: 5
[00:00:32] 2ch/s: 0.0000 3ch/s: 0.0000 4ch/s: 0.0000 Shares total: 0 / 0
[00:00:40] 2ch/s: 0.0000 3ch/s: 0.0000 4ch/s: 0.0000 Shares total: 0 / 0
^Cfixme:console:CONSOLE_DefaultHandler Terminating process 23 on event 0
------------------
until start minig, one process xptminer.exe with 100% CPU,
after start minig during 13 secs 5 processes xptminer.exe wit 98% CPU,
after that - only one process xptminer.exe with 5% CPU load
----
that thread magic is above my ability to help, sorry ...
but everybody can download vmware player (or other virtualization solution) for free and try any linux distribution (e.g. fresh ubuntu 14.04 long term support and user friendly) for free - and here we go