Rundll32.exe process is important in a computer’s operating system because it executes dll files. It also puts their libraries into the memory of the computer. Disabling this process file slows down the computer as well as makes it unstable. This process runs in the background and is located within the system directory at C:\Windows\system 32 folder. When this process runs from a different location, it exists as a virus or a Trojan program. Various viruses use the same name with this process file. Examples include Trojan.StartPag, Backdoor.Lastdoor, in addition to W32.MirootWorm.

In case rundll32.exe is corrupt or is replaced by a virus such as Netsky, one should check whether the process exists in its usual C:\Windows\system 32 folder. When the program lacks in its usual folder, one should recopy it again. If that fails, one should reinstall Windows program again. There are tools available in the Internet that allows one to scan fix and repair errors associated with this program. These tools are efficient in repairing the registry. Using the same tools, one is able to remove invalid shortcuts, duplicate files, DLL files, runtime errors as well as start up errors.

Since it is a Microsoft product, hackers develop viruses and worms bearing the same name as the program. Using the viruses, hackers and attackers are able to access confidential information. Hackers access passwords and Internet banking data. Due to these grave risks, one should always scan his or her computer to check for any errors or viruses associated rundll32.exe application not found.

Some safety precautions regarding Rundll32.exe errors include frequent running of registry scan that digs out any errors. One should also run the performance scan to enhance effectiveness of central processing unit and Internet settings. Registry scan also optimizes the computer’s memory. Apart from running the registry scan, one may check the status of the program by opening the task manager. In normal occasions, the program should run full time to enhance computer’s effectiveness.

Just as in other programs and processes, Rundll32.exe errors occur due to occurrence of faulty or missing drivers. To check this, one runs the drivers scan to verify the status of the computer. After running the driver scan, the user can view and repair all faulty drivers. Common symptoms of a computer with corrupt Rundll32.exe file include slow processing speed, disappearance of the program while one opens the control panel as well as hundred percent central processing unit usages by the program.