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What is ui0detect.exe?

Part of Interactive services detection by Microsoft

What is it?

Services and system processes run in session 0. Interactive Services Detection (the blinking button on the taskbar) is a mitigation for legacy applications that detects if a service is trying to interact with the desktop. This is handled by the Interactive Services Detection (UI0Detect) service.
Description of ui0detect.exe from Microsoft
On a 32-bit version of Windows, the OS will detect desktop interaction and start the UI0Detect service and you will see the flashing taskbar button. On a 64-bit version of Windows, if the service is a native 64-bit application, the OS will not start the UI0Detect service. Therefore, the service that is trying to interact with the desktop will appear to hang. If you need the mitigation for a 64-bit service, you will need to be sure the service is running in order to get the mitigation. If you have a 32-bit service on a 64-bit Windows, WOW64 will start the UI0Detect service and you will see the mitigation. The reason for this is that the WOW64 environment will behave as close to native 32-bit as possible – including mitigations.
(ui0detect.exe is a system file that is installed with Windows)
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How does ui0detect.exe run?

Service - ui0detect.exe runs as a background Windows service called 'UI0Detect' (Wykrywanie usług interakcyjnych). This is a system service that is installed with the Windows operating system and protected with Window's File Protection. This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. Wykrywanie usług interakcyjnych runs as a standard Windows service loaded by the Windows Service Controller (services.exe).


What is the community is seeing?What is the community is doing?
About 0.3% of all Boost users have the ui0detect.exe process running.Of the 0.3% of ui0detect.exe users, less than 1% have disabled it.
How resource intensive is ui0detect.exe?
Comparison based on the average resource utilization across all programs.
0.01989% CPU198927.9%
Average CPU utilization across all programs is 0.00001%.
     1.78 MB RAM8.3%
Average private memory utilization across all programs is 21.53 MB.
 1 /min0.0%
Average I/O read and write operations for all programs is 2,253 per minute.
75 GDI objects50.0%
Average number of GUI GDI and USER objects for all programs is 150.
     4 context switches/sec4.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:

Are there other versions of Interactive services detection?

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.196608)
Microsoft Windows 7 Ultimate (6.1.7600.0)
Windows 7 Home Basic (6.1.7600.0)
Windows 7 Home Premium (6.1.7600.0)
Windows 7 Professional (6.1.7600.0)
Windows 7 Starter (6.1.7600.0)
Windows 7 Ultimate (6.1.7600.0)
Windows 7 Ultimate N (6.1.7600.0)
Windows Seven Black Edition (6.1.7600.0)
Windows 7 Ultimate (6.1.7600.65536)
Windows 7 Enterprise (6.1.7601.65536)
Windows 7 Home Basic (6.1.7601.65536)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: ui0detect.exe
Publisher: Microsoft Corporation (verified)
Name: Interactive services detection
Description: Microsoft® Windows® Operating System
Version: 6.1.7600.16385 (win7_rtm.090713-1255)
Product version: 6.1.7600.16385
Size: 35 KB
Original file name: UI0Detect.exe.mui
Windows file protection: Yes

Resource utilization

CPU utilization averages
Total CPU: 0.0490358162%
Privileged CPU: 0.0291430227%
User CPU: 0.01989279351267%
Privileged CPU time: 66022.07 ms
Privileged CPU time /min: 1 ms
CPU cycle count: 424,420,110
CPU cycle count /min: 23,206,537
Context switches /sec: 4
Memory utilization averages
Committed memory: 78.03 MB
Peak committed memory: 78.51 MB
Paged memory: 1.78 MB
Peak paged memory: 1.81 MB
Paged system memory: 124.44 KB
Non-paged system memory: 4.49 KB
Working set memory: 4.12 MB
Peak working set memory: 5.46 MB
Min working set memory: 4.03 MB
Private memory: 1.78 MB
Page faults: 2,113
Page faults /min: 131
Process I/O averages
Total read operations: 2
Read operations /min: 1
Total read transfer: 601 Bytes
Read transfer /min: 6 Bytes
Total other operations: 391
Other operations /min: 11
Total other transfer: 3.29 KB
Other Transfer /min: 25 Bytes
GUI Object Averages
GDI objects: 75
Peak GDI objects: 81
USER objects: 34
Peak USER objects: 39
Handle count average: 92
Thread count average: 5
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 32-bit
Runs as a service: Yes
Parent Processes
Child Process
Process Commands
UI0Detect.exe 220

Service details

Name: Wykrywanie usług interakcyjnych
Service name: UI0Detect
Service type: Win32OwnProcess, InteractiveProcess
Description: “Włącza powiadamianie użytkownika o danych wprowadzonych przez użytkownika do usług interakcyjnych, które umożliwia dostęp do okien dialogowych utworzonych przez usługi interakcyjne w momencie ich pojawienia się. Jeśli ta usługa zostanie zatrzymana, powiadomienia o nowych oknach dialogowych usług interakcyjnych nie będą działały i nie będzie można uzyskać dostępu do tych okien. Jeśli ta usługa zost”

Image hashes

MD5: 8344fd4fce927880aa1aa7681d4927e5
SHA-1: 4c0d16bd7c0c13d4d279dcfd3a7bc8b790da35f7
SHA-256: 1b54efa60a221e2b9ffe59bb41c7e7d8b5ac6826f1c5577456d81371d464255a

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++
File entropy: 5.94408
File packed: No
Import Table
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