84,488,480 programs installed

Should I remove DLL Opener?

What percent of users and experts removed it?
70% remove it30% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #18,149
United States Rank #10,063
Reach 0.0131%
Lifespan of installation (until removal)
< 17.80 days
525.12 days >
Average installed length: 275.91 days


0.1 100.00%

DLL Opener

What is DLL Opener?

DLL Opener is a bundled installation using a download monetization platform. Installing the co-bundled software through the modified installer may not be optional. From the distribution site: "This product is totally free and offers the user additional bundle products that may include advertisements. The software can be installed without any additional software by opting out of the offerings. All additional bundle products are available for free from the manufacturer website. During installation and setup the software will offer uses by default the ability to install web browser toolbars or other potentially unwanted software applications designed to modify a user's search settings.


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 dllopener.exe. Many users end up uninstalling this after less than a month of it being installed. The setup package generally installs about 4 files and is usually about 1.15 MB (1,211,074 bytes).
  • Displays unwanted advertisements
  • The wisdom of the experts agree, if you don't use it you should remove it!

Program detailsProgram details

URL: www.dllopener.com
Installation folder: C:\Program Files\dll opener
Uninstaller: C:\Program Files\DLL Opener\uninstall.exe
Estimated size: 1.15 MB

Program filesFiles installed by DLL Opener

Program executable:dllopener.exe
Path:C:\Program Files\dll opener\dllopener.exe
Additional files:
  • uninstall.exe
  • DLLHelper.exe
  • nunit.framework.dll (by NUnit.org) - NUnit

Program behaviorsBehaviors exhibited

Scheduled Task
  • DLLOpener.exe is scheduled as a task with the class '{1BFB5BB3-2703-4A0D-A574-0D3FCB34D5E8}' (runs on registration).

How do I remove DLL Opener?

You can uninstall DLL Opener 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 DLL Opener, 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 DLL Opener.
  4. If for some reason uninstallation fails, please install Microsoft's uninstall fixer utility which will help fix problems with programs that can't be uninstalled at support.microsoft.com.

Win 7 (SP1) 71%
Win XP 0%
Uninstall it 70%
Keep it 30%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 72.48%
Windows 10 13.95%
Windows Vista 10.47%
Windows XP 3.10%
Which OS releases does it run on?
Windows 7 Home Premium 52.73%
Windows 7 Professional 12.89%
Windows Vista Home Premiu... 8.98%
Windows 7 Ultimate 6.64%
Windows 8.1 4.69%
Windows 8 3.52%

Distribution by countryGeography

87.59% of installs come from the United States
Which countries install it?
  United States 87.59%
  United Kingdom 6.08%
  Australia 2.68%
  Canada 1.95%
  SD 0.24%
  Greece 0.24%
  PR 0.24%
  Netherlands 0.24%
  Germany 0.24%
  Egypt 0.24%
  Saudi Arabia 0.24%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 31.79%
Dell 28.72%
Toshiba 12.31%
Acer 8.72%
ASUS 8.72%
Lenovo 3.08%
Intel 1.54%
Samsung 1.03%
Apple 0.51%
Common models
HP Pavilion dv7 Notebook ... 4.38%
HP Pavilion dv6 Notebook ... 2.92%
Dell Dell System Inspir... 2.19%
Hewlett-Packard p6716f 2.19%
HP-Pavilion KA766AA-ABU s... 2.19%
TOSHIBA Satellite C855D 2.19%


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