84,488,480 programs installed

Should I remove PeerBlock r518?

What percent of users and experts removed it?
4% remove it96% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #2,223
United States Rank #1,595
Reach 0.2867%
Lifespan of installation (until removal)
< 22.96 days
677.24 days >
Average installed length: 355.84 days


VersionDistribution 100.00%

PeerBlock 1.1 r518

What is PeerBlock r518?  (from PeerBlock)

PeerBlock lets you control who your computer "talks to" on the Internet. By selecting appropriate lists of "known bad" computers, you can block communication with advertising or spyware oriented servers, computers monitoring your p2p activities, computers which have been "hacked", even entire countries! They can't ge...  Read more


PeerBlock 1.1 r518 is a software program developed by PeerBlock. 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 primary executable is named peerblock.exe. The setup package generally installs about 8 files and is usually about 26.35 MB (27,625,262 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 66% of users of PeerBlock r518 come from the United States, it is also popular in United Kingdom and Canada.

Program detailsProgram details

URL: www.peerblock.com
Help link: www.peerblock.com/support
Installation folder: C:\Program Files\PeerBlock\
Uninstaller: "C:\Program Files\PeerBlock\unins000.exe"
Estimated size: 26.35 MB

Program filesFiles installed by PeerBlock 1.1 r518

Program executable:peerblock.exe
Path:C:\Program Files\peerblock\peerblock.exe
Additional files:
  • PeerBlock-Setup_v1.1_r518.exe - PeerBlock (PeerBlock 1.1 (r518) Setup)
  • unins000.exe - Setup/Uninstall
  • pb11_r518jp_vista32.exe (by AjariSoft) - DWiff (Update for Windows95)
  • pb11_r518jp_vista64.exe (by AjariSoft)
  • pb11_r518jp_win64.exe
  • pbfilter.sys
  • PeerBlock_v1.1_r518_win32&64_all.exe (by Lameije) - udm Self Extract Updater

Program behaviorsBehaviors exhibited

Scheduled Task
  • peerblock.exe is scheduled as a task with the class '{948CD14A-1FBB-40BC-8E05-C049FBC62B35}' (runs on registration).
Scheduled Task (Boot/Login)
  • peerblock.exe is automatically launched at startup through a scheduled task named PBlogin.
Startup File (User Run)
  • peerblock.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'PeerBlock' and executes as C:\Program Files\PeerBlock\peerblock.exe.
Startup File (All Users Run)
  • peerblock.exe is loaded in the all users (HKLM) registry as a startup file name 'PeerBlock' which loads as C:\Program Files\PeerBlock\peerblock.exe.

Program resource utilizationResource utilization averages

Memory:26.91 MB
21.09 MB average
Total CPU:0.0002618614%
0.031193% average
Kernel CPU:0.00013870%
0.016088% average
User CPU:0.00012317%
0.015104% average
CPU cycles/sec:2,986,962
8,062,084 average
70 average
I/O reads/min:50.13 KB
435.61 KB average
I/O writes/min:311.55 KB
105.02 KB average

How do I remove PeerBlock r518?

You can uninstall PeerBlock r518 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 PeerBlock 1.1 (r518), 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 PeerBlock r518.

Win 7 (SP1) 70%
Win 7 0%
Automatically starts? Yes
(Found in the run registry)
Uninstall it 4%
Keep it 96%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 73.29%
Windows 10 16.40%
Windows XP 5.64%
Windows Vista 4.62%
Windows Server 2003 0.05%
Which OS releases does it run on?
Windows 7 Home Premium 40.55%
Windows 7 Ultimate 20.17%
Windows 7 Professional 10.76%
Microsoft Windows XP 5.55%
Windows 8.1 3.90%
Windows Vista Home Premiu... 3.68%

Distribution by countryGeography

65.77% of installs come from the United States
Which countries install it?
  United States 65.77%
  United Kingdom 6.76%
  Canada 4.06%
  Australia 3.59%
  France 3.54%
  Germany 2.41%
  Italy 1.84%
  Poland 0.98%
  Japan 0.70%
  Sweden 0.67%
  Netherlands 0.63%
  New Zealand 0.60%
  Finland 0.58%
  Ireland 0.52%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 25.12%
Dell 21.63%
Acer 16.27%
ASUS 10.57%
Toshiba 5.90%
Samsung 2.83%
Lenovo 2.56%
Intel 1.51%
American Megatrends 1.17%
Alienware 0.96%
MSI 0.84%
Common models
HP Pavilion dv6 Notebook ... 7.36%
HP Pavilion dv7 Notebook ... 6.86%
HP Pavilion g6 Notebook P... 3.68%
HP Pavilion g7 Notebook P... 3.26%
ASUS All Series 2.43%
Dell Dell System XPS L5... 2.09%


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