Because OP Auto Clicker simulates user input. To do this, it injects code into your system's input pipeline. This behavior is identical to what keyloggers and remote access trojans (RATs) do. Antivirus software errs on the side of caution. Solution: Add the .exe file to your antivirus exclusion list.
Even great software has hiccups. Here are fixes for the top 3 errors in OP Auto Clicker 2.0. op auto clicker 2.0
Follow this step-by-step guide to get the software running in under 3 minutes. Because OP Auto Clicker simulates user input
Efficiency at Your Fingertips: The Role of OP Auto Clicker 3.0 op auto clicker 2.0