84,488,480 programs installed

Should I remove A4TECH PC Camera?

What percent of users and experts removed it?
1% remove it99% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #48,185
Reach 0.0016%
Lifespan of installation (until removal)
< 3.07 days
90.69 days >
Average installed length: 47.65 days


1.0.22 100.00%

A4TECH PC Camera K

What is A4TECH PC Camera?

This software program contains the required drivers and utilities to connect and manage the A4 TECH PC Camera.


A4TECH PC Camera K is a software program developed by A4Tech. During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The setup package generally installs about 6 files and is usually about 17.56 MB (18,413,691 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 7. While about 49% of users of A4TECH PC Camera come from Philippines, it is also popular in the United States and Israel.

Program detailsProgram details

URL: www.a4tech.com.tw
Installation folder: C:\Program Files\Common Files\PAP7501
Uninstaller: "C:\Program Files\InstallShield Installation Information\{C6A0FD8A-F107-44CA-AA1B-49341936F76A}\setup.exe" -runfromtemp -l0x0009 -removeonly
Estimated size: 17.56 MB
Language: English

Program filesFiles installed by A4TECH PC Camera K

  • PACTray.exe (by PixArt Imaging Incorporation) - PixArt Camera Tray
  • GUCI_AVS.exe (by PixArt Imaging Incorporation) - Registry Monitor
  • SNAPSHOT.exe - Snapshot Reader
  • GUCI_AVS.dll (by PixArt Imaging) - Still Image (STI) Driver
  • setup.exe - Setup
  • pmcap.exe (by Microsoft) - DirectX 9.0 Sample (Capture Application (Sample))

Program behaviorsBehaviors exhibited

Scheduled Task
  • PACTray.exe is scheduled as a task with the class '{9EB0BD71-3A7B-4ADA-A8BA-0FD55C2987D5}' (runs on registration).
2 Startup Files (All Users Run)
  • GUCI_AVS.exe is loaded in the all users (HKLM) registry as a startup file name 'PAP7501_Monitor' which loads as C:\WINDOWS\PixArt\PAP7501\GUCI_AVS.exe.
  • PACTray.exe is loaded in the all users (HKLM) registry as a startup file name 'PACTray' which loads as C:\Windows\PixArt\PAP7501\PACTray.exe.

Program resource utilizationResource utilization averages

Memory:1.23 MB
21.09 MB average
Total CPU:0.0000277579%
0.031193% average
Kernel CPU:0.00001388%
0.016088% average
User CPU:0.00001388%
0.015104% average
Memory:1.58 MB
Total CPU:0.0077838013%
Kernel CPU:0.00526010%
User CPU:0.00252370%
CPU cycles/sec:1,657,591
I/O reads/min:7 Bytes

How do I remove A4TECH PC Camera?

You can uninstall A4TECH PC Camera from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program A4TECH PC Camera K, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove A4TECH PC Camera.

Win 7 (SP1) 42%
Win XP 3%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 67.74%
Windows 10 16.13%
Windows XP 16.13%
Which OS releases does it run on?
Windows 7 Ultimate 41.94%
Microsoft Windows XP 16.13%
Windows 7 Professional 9.68%
Windows 10 Home Single La... 6.45%
Windows 7 Home Basic 6.45%
Windows 7 Home Premium 6.45%

Distribution by countryGeography

48.57% of installs come from Philippines
Which countries install it?
  Philippines 48.57%
  United States 20.00%
  Israel 8.57%
  Russia 8.57%
  Iran 5.71%
  United Kingdom 2.86%
  Sri Lanka 2.86%
  Romania 2.86%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 20.83%
Hewlett-Packard 16.67%
Intel 12.50%
Toshiba 8.33%
American Megatrends 8.33%
ASUS 8.33%
Lenovo 4.17%
Dell 4.17%
Common models
INTEL DG31PR 10.00%
ASUS All Series 10.00%
Unknow Unknow 5.00%
TOSHIBA Satellite C800 5.00%
TOSHIBA Satellite C655 5.00%
MSI MS-7309 5.00%

Publisher URL: www.a4tech.com


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