That message show up when I scan conflicker in our lan.

After some google, I know the answer :

In FreeBSD :

# cd /usr/ports/security/py-pycrypto && make install

In Ubuntu :

# apt-get install python-crypto

Done.

NO more error message I guess.

• warning: crypto package not found some features will fail
• crypto package not found
• crypto package not found some features will fail
• warning: crypto package not found
• python crypto package not found
• python warning: crypto package not found some features will fail
• python crypto package windows
• warning crypto package not found python
• warning crypto
• WARNING Crypto package not found
• warning for package
• crypto not found
• package crypto/rc4 not found
• No package crypto found
• crypto package not found some features will fail python
• crypto package not found some feature will fail
• crypto package not found python
• crypto package not found conflicker
• crypto not found some features will fail
• Crypto not found some
• warning: crypto package not found some features will fail ubuntu