What is dopuslib.dll?

Dopuslib.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if dopuslib.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for dopuslib.dll related errors

Dopuslib.dll file information

The process known as Directory Opus (version 9 Support Library, 11 Support Library, 10 Support Library, 8 Support Library) belongs to software GPSoftware Directory Opus or Directory Opus or Directory Opus Library by GP Software (

Description: Dopuslib.dll is not essential for the Windows OS and causes relatively few problems. Dopuslib.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 694,024 bytes (9% of all occurrences), 489,400 bytes and 30 more variants. 
This is a special .dll file (Dynamic Link Library), which starts automatically when programs are launched. So it can monitor or manipulate all of your program starts. The program has no visible window. There is no detailed description of this service. The dopuslib.dll file is not a Windows core file. It monitors program starts. The file is certified by a trustworthy company. Dopuslib.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 62% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you encounter difficulties with dopuslib.dll, you can do the following:
  1) remove the entire program GPSoftware Directory Opus or Directory Opus using Windows Control Panel
  2) look for help on the website
  3) search for an update on the vendor’s website.

Recommended: Identify dopuslib.dll related errors

Important: Some malware camouflages itself as dopuslib.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the dopuslib.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Directory Opus (file manager - windows explorer replacement) service
  A Ljungberg  
This is needed to open Directory Opus
gehört zu dem Directory Opus
I have used this Australian product for several years now starting from vers8 and it never deceived me. I'm now on version 10 on Windows 8. Its the best File Explorer on the market.
  JC Junne - Belgium  
Part of excelent file manager Directory Opus

Rating chart

Summary: Average user rating of dopuslib.dll: based on 7 votes with 5 user comments. 5 users think dopuslib.dll is essential for Windows or an installed application. 2 users think it's probably harmless.

Do you have additional information? Help other users!
What do you know about dopuslib.dll:
How would you rate it:
Link for more info:
Your Name:

Best practices for resolving dopuslib issues

A clean and tidy computer is the key requirement for avoiding problems with dopuslib. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the dopuslib.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

dopuslib.dll [all]