If you read the readme!!!.txt you must see:
Catalyst 13.12 is highly recommended for best performance and compatibility!
in your *.bat write like this:
setx GPU_MAX_ALLOC_PERCENT 100
NsXpmMiner.exe -o ypool.net -u USERNAME -p YOURPASSWORD
try also add parametrs to miner string "-ss 3" or "-ss2"
Hello
I`m using 14.4 catalyst, and without problem. everything is working like a charm. I am using a week or more...