What is the Interactive Services Detection (UI0Detect) service?

An explanation of the Interactive Services Detection (UI0Detect) service in Windows 7.

What does the Interactive Services Detection (UI0Detect) service do?

The Interactive Services Detection (UI0Detect) service is responsible for communicating between session 0 and session 1 services. System services run under session 0. Session 0 is non-interactive. When you log on, you log on to session 1.

For example: The backup service runs in session 0. If the backup service needs to communicate with you it has to use the UI0Detect service because it runs in session 0.

Interactive Services Detection (UI0Detect) service details

  • Service name: UI0Detect
  • Description: Enables user notification of user input for interactive services, which enables access to dialogs created by interactive services when they appear. If this service is stopped, notifications of new interactive service dialogs will no longer function and there might not be access to interactive service dialogs. If this service is disabled, both notifications of and access to new interactive service dialogs will no longer function.
  • Path to executable: C:\windows\system32\UI0Detect.exe
  • Startup type: Manual

Does my computer need the Interactive Services Detection (UI0Detect) service?

Your computer doesn’t need the UI0Detect service to run, but system services won’t be able to communicate with you, and that’s not a good thing.

Should I disable the Interactive Services Detection (UI0Detect) service?

First off, I have to say that it’s best to leave service optimization up to Microsoft. With that said; I would leave the UI0Detect service alone.

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