McAfee is an antivirus suite brand that offers a great shield from online security threats to its users but sometimes the software does have some glitches that result in errors, one of them is the McAfee error code 1336. These errors you usually encounter when you are installing themcafeecom/activate or in the mid of scanning the system, sometimes this kind of error can end up crashing the software, your system can show signs of slowing down or completely freezing.