wallet running on win 10 64bit

I have this in my wallet configuration

addnode=explorer.biblepay.org
genproclimit=256
gen=1
minersleep=0

but my cpu is only using 10-25% and genproclimit is still 1..  i tried several values.. like 4, 16..  restart pc after but no efffect. Whats wrong?

getinfomining...
blocks": 129551,
  "currentblocksize": 1502,
  "currentblocktx": 1,
  "difficulty": 2070.207305034551,
  "errors": "",
  "pooledtx": 0,
  "chain": "main",
  "genproclimit": 1,
  "networkhashps": 383570.8021583835,
  "hashps": 756.1588006589133,
  "minerstarttime": "07-04-2019 00:23:29",
  "hashcounter": 35825303,
  "pooledtx": 0,
  "chain": "main",
  "biblepay-generate": true,
  "poolinfo1": "",
  "poolinfo2": "",
  "poolinfo3": "",
  "abninfo": "",
  "gsc_errors": "",
  "poolmining": false,
  "pool_url": "",
  "required_abn_weight": 100000