What is UltiDevCassinWebServer2a.exe?

The genuine UltiDevCassinWebServer2a.exe file is a software component of UltiDev Cassini Web Server for ASP.NET by UltiDev.
UltiDevCassinWebServer2a.exe is an executable file that runs UltiDev Cassini, a free web server designed to host applications built using ASP.NET. This process only runs as a Windows service. This is not a critical Windows component and should be removed if known to cause problems. UltiDev Cassini is a redistributable web server created for the Windows platform. It can be used as a regular web server ready for hosting ASP.NET applications as well as websites, or it can be packaged with ASP.NET web applications and installed on user systems. UltiDev Cassini is available in two versions: Version 1.1 is suitable for applications compiled in ASP.NET 1.1; version 2.0 is for applications compiled in ASP.NET 3.5, 3.0 and 2.0. UltiDev LLC is an American company that develops freeware networking, VPN and development software that enables users easy and secure access to their data from anywhere in the world. The company is currently headquartered in Atlanta, Georgia, USA.

UltiDevCassinWebServer2a stands for UltiDev Cassini Web Server (version 2.0a)

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the UltiDevCassinWebServer2a.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

Click to Run a Free Scan for UltiDevCassinWebServer2a.exe related errors

UltiDevCassinWebServer2a.exe file information

The process known as UltiDev Cassini Web Server for ASP.NET (version 2.0) belongs to software UltiDev Cassini Web Server for ASP.NET by UltiDev (

Description: UltiDevCassinWebServer2a.exe is not essential for the Windows OS and causes relatively few problems. The file UltiDevCassinWebServer2a.exe is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 49,152 bytes. 
The program is not visible. It is not a Windows core file. The software can be removed using the Control Panel's Add\Remove programs applet. Therefore the technical security rating is 32% dangerous.

Uninstalling this variant: If any problems with UltiDev Cassini Web Server for ASP.NET or UltiDev Cassini Web Server occur, you could remove the entire program using Windows Control Panel or get help from the software vendor UltiDev.

Recommended: Identify UltiDevCassinWebServer2a.exe related errors

Important: Some malware camouflages itself as UltiDevCassinWebServer2a.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the UltiDevCassinWebServer2a.exe 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.


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Best practices for resolving UltiDevCassinWebServer2a issues

A clean and tidy computer is the key requirement for avoiding problems with UltiDevCassinWebServer2a. 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 UltiDevCassinWebServer2a.exe 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

UltiDevCassinWebServer2a.exe [all]