How to Handle Run Dll Errors

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Run Dll Errors

Before venturing too far into explanations of the symptoms and solutions for Rundll and Rundll32 related errors, it would be a good idea to outline their essential roles. DLL files are small sets of programs or functions that may be called to use by any command line utility in the Microsoft Windows operating system. They are stored on the hard disk as opposed to RAM to save space there, where storage and recall are performed many times quicker than from a drive. DLL stands for Dynamic Link Library. These files are not executable on their own and may only be run from within another running executable.

The Rundll and Rundll32 interfaces are executables made specifically for, as their names imply, calling and executing DLL files within themselves. Many APIs or Application Programming Interfaces use DLLs to house all functions relevant to their specific environment, and the Rundll programs keep them running. Most users will not need to go out of their way to use of adjust the way Rundll or Rundll32 operate. In fact, both tools began their use strictly internally at Microsoft by the programmers, but eventually came to be taken advantage of by outside users and third party programs.

When the average user receives an error mentioning either the Rundll or Rundll32 system executables, unfortunately it is usually due to either a virus, spyware or other malware of some kind making unauthorized changes to a user's computer. Sometimes spyware and adware removal tools are capable of removing these threats, but often changes must be made to the Windows Registry to completely remove all configuration changes that the malicious software may have made. Common viruses will use tricks like disabling the infected user's ability to run the integrated Windows "regedit" program which can be executed using the "Run" dialogue. Should you experience this, either attempt to install and run a third-party spyware cleaner or run a reputable anti-virus software scan to remove such hindrances. Once relatively complete control over the computer is regained, one must take a close look at the Registry for any files that may have been added by the virus, and potentially recent changes to existing system "keys" that it may have made. Before making any changes be absolutely sure of what you are doing, as incorrect values in critical Windows system registry areas can cause the complete crash of the system! Consulting a "PC software help" style of message board may be useful for determining exactly what the source of the error message you've encountered is. Having experienced and more knowledgeable users to present advice and links to specific information can make all the difference in the speed and effectiveness of the troubleshooting process. A Registry cleaner can also be very helpful in speeding up the process of finding and making changes.

Should you wish to first attempt to tackle the issue without waiting for help, you can search through the registry by yourself. Most of the time any changes made will be fairly obvious. There is a folder named "Run" within the registry under the Microsoft Windows directory hierarchy that will allow you to enable or disable the execution of certain programs at the startup of the system. The malicious software executable will likely put itself on this list so that it is always running. That's the reason that so many receive Rundll-based error messages when their first boot their computer systems up rather than after they have already been running for some time. If you are unable to run the program you need to because you've been locked out by a virus, press F8 as the computer boots to access a "Startup options" screen. From here you will be allowed to choose to boot into "Safe Mode." There are a few different types of Safe Mode, and the one you're likely to want to choose is "Safe Mode with networking" so that you can still access information on the internet. Only essential Windows system files are executed during startup, and any foreign software/viruses is not; in especially sticky situations when viruses have wreaked serious havoc, this may be necessary.