84,488,480 programs installed

Should I remove Velocidade Do PC?

What percent of users and experts removed it?
48% remove it52% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #26,346
Reach 0.0063%
Lifespan of installation (until removal)
< 5.13 days
151.43 days >
Average installed length: 79.56 days


VersionDistribution 0.81% 2.42% 0.81% 0.81% 5.65% 0.81% 2.42% 0.81% 0.81% 1.61% 0.81% 2.42% 1.61% 17.74% 0.81% 4.84% 1.61% 0.81% 1.61% 9.68% 0.81% 0.81% 3.23% 4.84% 7.26% 3.23% 0.81% 1.61% 0.81% 3.23% 4.03% 0.81%
3.2.7 3.23%
3.2.6 6.45%

Velocidade Do PC


Velocidade Do PC is a program developed by Speedchecker Limited. The most used version is, with over 98% of all installations currently using this version. Upon installation, it defines an auto-start registry entry which allows the program run on each boot for the user which installed it. It adds a background controller service that is set to automatically run. Delaying the start of this service is possible through the service manager. 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 software installer includes 24 files and is usually about 4.62 MB (4,849,431 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 92% of users of Velocidade Do PC come from Brazil, it is also popular in the United States and Portugal.
  • Starts automatically
  • Adds a Windows Service
  • Generally known to have a low reputation

Program detailsProgram details

URL: www.pcspeedup.com
Installation folder: C:\Program Files\Velocidade Do PC\
Uninstaller: "C:\Program Files\Velocidade Do PC\unins000.exe"
Estimated size: 4.62 MB

Program filesFiles installed by Velocidade Do PC

  • PCSpeedUp.sys - PC Speed Up Usb Cache (PC Speed Up Usb Cache Filter Driver)
  • PCSUUCC.exe - PC Speed Up Usb Cache Control
  • PCSUHelper.dll - PC Speed Up (PC Speed Up Helper)
  • qs64.dll (by Bitdefender SRL) - Bitdefender QuickScan
  • PopupNotification.dll - PC Speed Up Popup Notification Library
  • FileUploader.exe
  • PCSULauncher.exe
  • PCSUNotifier.exe
  • PCSUQuickScan.exe
  • PCSUSD.exe
  • PCSUService.exe
  • unins000.exe - Setup/Uninstall

Program behaviorsBehaviors exhibited

4 Scheduled Tasks
  • PCSUUCC.exe is scheduled as a task named 'PC Speed Up Update Cache' (runs when idle).
  • PCSUSD.exe is scheduled as a task named 'PC SpeedUp Service Deactivator' (runs when idle).
  • PCSULauncher.exe is scheduled as a task with the class '{151CFFF6-8C53-4D6B-B6F8-2D5EE61F22DB}' (runs on registration).
  • unins000.exe is scheduled as a task with the class '{8AE71B09-9586-495F-ACFF-B9992E9D6468}' (runs on registration).
  • PCSUService.exe runs as a service named 'PC Speed Up Service' (PCSUService) "PC Speed Up service.".
Startup File (User Run)
  • PCSUNotifier.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'PCSpeedUp' and executes as C:\Program Files\Velocidade Do PC\PCSUNotifier.exe.

Program resource utilizationResource utilization averages

Memory:11.95 MB
21.09 MB average
Total CPU:0.0002363338%
0.031193% average
Kernel CPU:0.00016368%
0.016088% average
User CPU:0.00007265%
0.015104% average
Memory:10.22 MB
Total CPU:0.0001573955%
Kernel CPU:0.00010172%
User CPU:0.00005568%
CPU cycles/sec:34,913
I/O reads/min:1.07 KB
I/O writes/min:1.21 KB

How do I remove Velocidade Do PC?

You can uninstall Velocidade Do PC 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 Velocidade Do PC, 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 Velocidade Do PC.

Win 7 (SP1) 65%
Win Vista (SP2) 2%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 48%
Keep it 52%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 74.19%
Windows 10 20.97%
Windows XP 3.23%
Windows Vista 1.61%
Which OS releases does it run on?
Windows 7 Ultimate 30.65%
Windows 7 Home Premium 15.32%
Windows 7 Home Basic 10.48%
Windows 7 Starter 10.48%
Windows 7 Professional 7.26%
Windows 8.1 Single Langua... 7.26%

Distribution by countryGeography

91.80% of installs come from Brazil
Which countries install it?
  Brazil 91.80%
  United States 5.74%
  Portugal 0.82%
  Switzerland 0.82%
  Spain 0.82%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 27.42%
Dell 19.35%
ASUS 14.52%
Samsung 14.52%
Hewlett-Packard 9.68%
Toshiba 3.23%
Lenovo 3.23%
Sony 1.61%
Common models
PositivoEIH61CE 4.85%
Positivo MOBILE 4.85%
Dell Inspiron N4050 2.91%
PositivoAG31AP 2.91%
Acer Aspire 5750 1.94%
Acer Aspire E1-531 1.94%

About (from Speedchecker Limited)

Speedchecker Limited is a Sheffield based company that specializes in internet speed testing , network monitoring and PC optimalization.
Publisher URL: www.pcspeedup.com


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