Why computers can not simultaneously use two anti-virus software?

Users questions:
Experts answer: We have the following two reasons: 1, prone to conflict with each other, leading to the software not work correctly, or produce false positives manslaughter phenomenon. 2, take up resources, especially memory and CPU. Mild cases cause the system to run slower, more severe cases may be run crash or other system failure. If you would like to Can also be installed, but best not to open or run simultaneously.
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