Rundll32 problems are caused by a variety of problems such as spyware, viruses, malware, or registry problems. Viruses and spyware that are undetected can be the cause for rundll32 problems as well as registry problems such as faulty or incomplete software installations or uninstalls.
A rundll32 error occurs when your operating system tries to load a file but isn’t able to find it on your hard drive. The result is this annyoing rundll32 error pop-up that you probably have seen already, Windows cannot locate a file, and you are frustrated and annoyed because the software won’t startup.
An easy but expensive solution is to call a PC tech specialist who will find what causes the problem and fix the rundll32 error or you can try yourself to hopefully find what causes the problem and fix it. Prior to messing around with your PC’s substantial processes and files it is substantial to be aware that you can permanently damage your PC if you remove or alter certain files that your PC uses to operate while you are trying to find the cause of a rundll32 error. Nonetheless, oftentimes the cause of the problem is not too complex and can be fixed by the typical PC user.
When in doubt reboot your computer. This should be your first step to fixing just about any problem, including a rundll32 error. If rebooting has not fixed the problem there are some other steps to undertake. If you have recently installed or uninstalled a software re-do it as problems with installation and uninstalls can cause rundll32 errors.
If you have not recently installed or uninstalled any programs make sure your anti spyware and anti virus detectors are up to date and do a full system scan to try and detect any issues that may have been caused by these types of programs.
In case the rundll32 error still occurs you can try a clean boot on your PC which will allow you to isolate and test each system on your PC to see where the error is occurring. To perform a clean system boot type “msconfig” into the run dialogue box. Then choose the selective startup option and deselect all but one choice listed below it and reboot your PC.
Keep rebooting your system with only one startup option selected. This procedure should identify what process causes the error. Once you know what process causes the error you select the tab at the top of the Window that corresponds to the item that has been identified. You then select one option below that and continue to reboot your computer until you find the process that causes the error.
In case you don not feel comfortable messing with your system or you simply do not have time to do so, use a registry repair program. There are a few very good registry scanners that can fix rundll32.exe instantly.