Dopuslib.dll file information
The process known as Directory Opus (version 9 Support Library, 10 Support Library, 11 Support Library) belongs to software GPSoftware Directory Opus or Directory Opus Library by GP Software (www.gpsoft.com.au).
Description: Dopuslib.dll is not essential for the Windows OS and causes relatively few problems. The dopuslib.dll file is located in a subfolder of "C:\Program Files (x86)" (common is C:\Program Files (x86)\GPSoftware\Directory Opus\).
Known file sizes on Windows 10/11/7 are 837,592 bytes (13% of all occurrences), 1,085,056 bytes and 16 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. The service has no detailed description. It 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:
You can uninstall the program
GPSoftware Directory Opus or
Directory Opus Library, update it, or ask the software vendor for help. Go to
www.gpsoft.com.au to update it, go to
www.gpsoft.com.au to contact the vendor, or go to
GPSoftware Directory Opus or
Directory Opus Library in
Windows Control Panel (section Software or Programs) to uninstall it.
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.
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 executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
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. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
ie4uinit.exe http_ss_win_pro.exe tfservice.exe dopuslib.dll osdmnus.exe xampp-control.exe ttbackgroundguard.exe tfpupwdbankbho.dll glckio2.sys hpkbdapp.exe vistasrv.exe [all]
Score
User Comments
A Ljungberg
dionisius
Mr.Fotoknips
JC Junne - Belgium
Flavio
Art Moak
Summary: Average user rating of dopuslib.dll: based on 7 votes with 6 user comments. 5 users think dopuslib.dll is essential for Windows or an installed application. 2 users think it's probably harmless. One user is not sure about it.