Remove & Uninstall LERSUS Completely from Windows

Do you have trouble in completely uninstalling LERSUS from your system? Are you looking for an effective solution to thoroughly get rid of it off the computer? Do not worry! You came to the right place, and you will be able to uninstall LERSUS without any difficulty.

LERSUS LERSUS LERSUS - content developing authoring tool, support IMS standards and metadata

The new version of LERSUS program package for fast development of interactive learning and informational content. The new LERSUS version ( provides the author with ever more capabilities to work with learning and informational materials. LERSUS enables the author to create high-quality, well structured, and interactive content using the convenient, instinctively understandable, and functional editor. LERSUS supports a wide range of formats, standards, and learning management systems. The content created is descriptive, universal, and completely meets your requirements. The capabilities of the editor allow using text formatting, lists, links, tables, pictures, flash-animation, video and audio clips. Creating content is as easy as editing text with the help of modern text editors. LERSUS functional features make the product easily adjustable for your learning field and application, for creating documentation and knowledge management. Now LERSUS provides new capabilities concerning content composition and modification. It is now possible to create nonlinear and complex structured content. The spelling check tools are included to assist the author. The visual and simple test creation interface will enable you to create tests for knowledge control. LERSUS supports basic types of test questions and e-learning knowledge control standards. The list of standard document models is now larger. It has been completed with such systems as Moodle, ILIAS, WebCT, the integration into Condat AG is being implemented. The advantages of LERSUS include the optimal price, flexible functionality, and guaranteed support. Contact our experts now, and they will help you to manage your tasks. Further information, demo version and examples of successful projects are available on the website

LERSUS - content developing authoring tool, support IMS standards and metadata

However, many users have difficulties and problems away from the computer. Below we have listed possible problems when uninstalling LERSUS If you also have this problem, you can find a useful solution for this.

It seems that there are many users who have difficulty in uninstalling software like LERSUS from the system. And some of them get into trouble when uninstalling the software, and some of them can uninstall the software, but to get problems after removal. Some possible problems that people run into:

  • LERSUS does not work as good as you thought.
  • LERSUS can not be uninstalled
  • LERSUS can not be completely uninstall and removed
  • LERSUS or other similar software can not be installed or updated again on the computer
  • The computer system runs much slower after LERSUS is uninstalled

Causes of the above problems :

  • LERSUS does not appear in the program list of Add/Remove Programs
  • The uninstaller of LERSUS can not completely remove all associated files
  • There is some software that is not compatible with LERSUS
  • There are many remnants left in the registry and hard drive
  • The .dll, .sys or other files shared with other software are deleted

Manually Uninstall LERSUS with Windows Add/Remove Programs.

Windows "Add/Remove Programs" offers users a way to uninstall the program, and each Operating system has a "Add/Remove programs" function.

  • Click "Start menu" and run "Control Panel".
  • Locate LERSUS (or DELFI Software) and click "Change/Remove" to uninstall the program.
  • Follow the uninstall wizard and uninstall the program.
Uninstall LERSUS
Manually Uninstall LERSUS with Build-in Uninstaller.

Most computer programs are installed with its build-in uninstaller that can also help uninstall the program.

  • Click Start menu and move your mouse to All Programs.
  • Find Search LERSUS folder and click on its Uninstaller.
  • Follow its uninstaller and uninstall the program.

To run its uninstaller, you can also

  • Go to the folder where the program is installed.
  • Locate its uninstaller usually named as unins000.exe or uninstall.exe
  • Double click on its uninstaller and follow it to uninstall the program.

Please know that Windows "Add/Remove Programs" and its build-in uninstaller can remove only the main executable program files, but not all program files and components. Some invalid files can be left in the registry and folders. To completely uninstall LERSUS, you need to get rid of these remnants, otherwise, it will slow down your computer and block the installation of other incompatible programs.

To thoroughly delete its files, please follow the steps:

  • Run Registry Editor
  • Find and delete all registry entries of the program in HKEY_CURRENT_USER\Software\DELFI Software\, HKEY_LOCAL_MACHINE\SOFTWARE\DELFI Software\ and HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run\
  • Find and delete all files of the program in system folders C:\Program Files\DELFI Software\, C:\Document and Settings\All Users\Application Data\DELFI Software\ and C:\Documents and Settings\%USER%\Application Data\DELFI Software\.

NOTE: We recommend only for advanced computer users, manually edit the registry and remove LERSUS because deleting any single registry error leads to a serious problem or even a system crash.