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Anti-Virus Deep Scan causes performance issues Technical Level
Symptoms
  • Anti-Virus Deep Scan causes performance issues, for example, websites do not load or take a long time to load.

  • Disabling Anti-Virus Deep Scan resolves the issue.

  • Anti-Virus logs show:
    Reason Timeout was exceeded
    Precise Error unknown error

  • There is an increase in CPU and memory utilization.

Cause

Anti-Virus Deep Scan utilizes parts of Threat Emulation engine even if Threat Emulation is disable.

There is a  mismatch between some of the libraries builds used by Anti-Virus Deep Scan engine that caused the engine not to start.


Solution
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