Question You have a gun against your temple, it goes off if the unknown file you are about to click is malware. Which antimalware solution do you trust?

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Speaking about K, it once detected Ulaa browser installer downloaded from Ulaa official website as a malware and reverted back the whole installation process.

Checked the installer by several reputable AVs; no detection.

One nice FP by K system watcher ruining my installation experience.
If it was not detected by other vendors, that never guarantees it was a FP. Maybe it was a zero day. Did you report it to Kaspersky or any other vendors?