84,488,480 programs installed

Should I remove B1 Free Archiver?

What percent of users and experts removed it?
5% remove it95% keep it
Overall Sentiment
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #6,412
United States Rank #8,080
Reach 0.0712%
Lifespan of installation (until removal)
< 10.67 days
314.75 days >
Average installed length: 165.38 days


VersionDistribution 54.35% 27.10% 1.88% 1.81% 14.71%

B1 Free Archiver

Remove B1 Free Archiver
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B1 Free Archiver is a software program developed by Catalina Group Ltd. The most common release is, with over 98% of all installations currently using this version. 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). When installed, it will add a context menu handler to the Windows shell in order to provide quick access to the program. The setup package generally installs about 39 files and is usually about 69.79 MB (73,175,541 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 33% of users of B1 Free Archiver come from the United States, it is also popular in Brazil and United Kingdom.

Program detailsProgram details

Installation folder: C:\Program Files\b1 free archiver
Uninstaller: "C:\Program Files\B1 Free Archiver\installer.exe" "C:\Program Files\B1 Free Archiver\uninstall.xml"
Estimated size: 69.79 MB

Program filesFiles installed by B1 Free Archiver

  • installer.exe - B1 Free Archiver Installer
  • uninstall.exe (by b1.org) - B1 Free Archiver Setup
  • B1Manager.exe (by b1.org) - B1 Free Archiver
  • B1Shellext32.dll - B1 shell extension
  • WinSetup32.exe - Setup for B1
  • b1.exe

Program behaviorsBehaviors exhibited

Context Menu Handler
  • B1Shellext32.dll added to Windows Explorer under the name 'B1ShellEx' with a class of {76CF52AF-2B2D-4999-8CE8-495187BB11CD}.
Scheduled Task
  • B1Manager.exe is scheduled as a task with the class '{34D5BD02-9963-466A-8560-704E78915BD4}' (runs on registration).

How do I remove B1 Free Archiver?

Quickly and completely remove B1 Free Archiver from your computer by downloading Reason's ‘Should I Remove It?’ (click the button below).
Or, you can uninstall B1 Free Archiver 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: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program B1 Free Archiver, click it, and then do one of the following:
    • Windows Vista/7/8: 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 B1 Free Archiver.

Win 7 (SP1) 48%
Win 7 0%
Uninstall it 5%
Keep it 95%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 53.62%
Windows 10 38.78%
Windows XP 4.27%
Windows Vista 3.18%
Windows Server 2003 0.14%
Which OS releases does it run on?
Windows 7 Ultimate 19.64%
Windows 7 Home Premium 17.53%
Windows 7 Professional 10.11%
Windows 8.1 9.16%
Windows 8.1 Pro 6.47%
Windows 10 Home 5.60%

Distribution by countryGeography

33.31% of installs come from the United States
Which countries install it?
  United States 33.31%
  Brazil 9.95%
  United Kingdom 3.40%
  Saudi Arabia 3.08%
  Indonesia 2.62%
  Italy 2.55%
  India 2.49%
  Canada 2.23%
  Spain 2.03%
  Egypt 1.83%
  DZ 1.77%
  Australia 1.70%
  Netherlands 1.64%
  Mexico 1.51%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 24.00%
Dell 20.67%
Acer 16.89%
ASUS 11.44%
Lenovo 7.78%
Toshiba 7.56%
Samsung 4.67%
Intel 1.11%
MSI 0.67%
Common models
HP Pavilion dv6 Notebook ... 5.85%
HP Pavilion g6 Notebook P... 5.59%
Dell Inspiron 3537 3.46%
Dell Inspiron N5110 3.19%
ASUS All Series 2.93%
HP Pavilion 15 Notebook P... 2.93%


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