Why is it not recommended to have 2 antivirus programs running at the same time?
In: Technology
You click to open a file. The first AV intercepts the open command, opens the file and reads it to check if it’s ok. The second AV also wants to open the file to check if it is ok and it can’t because it’s already open. The second AV freaks out because it doesn’t know what happened, and tries write a log file about it. The first AV sees the log file being written too and wants to check if the stuff being written is ok, so it tries to open the log file to check what’s in there and blocks the second AV from writing to its log. The second AV freaks out even more. And so on and so on.
AVs can end up competing and interfering with each other due to the way they intercept file access.
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