If you get the rundll32.exe error and get a sudden drop in PC performance, this error might cause the problem. It really drives us crazy because of the poor performance of the computer. People who experience this error may experience acute system problems. To defend the stability and smooth operation of your computer, you should fix the rundll32.exe error immediately.

Running in the background of the system, rundll32.exe is considered an important procedural process. After the machine cannot recognize it, rundll32.exe error may occur due to corruption or absence of this document. It can occur due to virus or spyware attacks, improper configuration or installation, and incompatible drivers. Here are three methods to fix this error.
Update Your Windows and the Latest Antiviruses
If this is correct, go ahead and copy rundll32.exe to the C:-windows\system32 machine if you cannot find a copy on your machine, you can try to find the document on the Windows installation disks. Finally, you can simply reinstall Windows. However, this can take a long time, and you will lose all your information. So this might be the last resort. Besides that, this error can also be the result of viruses or malware.
Viruses like to attack system documents (such as dll files) because sometimes they are hard to detect and harder to remove. They also like to use your registry to get some backdoor into your PC. I suggest you scan your computer regularly for viruses and spyware. Twice a week should be decent if you log on often. If you have discovered that the cause of the error is a virus, you should install a firewall on your computer to increase security. Viruses can be nasty and treacherous things.
Run a System Repair Tool
There are various tools you can find online that will scan, analyze and restore your PC. In addition to repairing your rundll32.exe, these tools will also remove all registry errors, remove invalid shortcuts and replica files, repair DLL files and even remove startup and runtime errors. Rundll32.exe is known to cause multiple errors. All you need to do is open the Task Manager and enable the selection to view the entire history of each procedure. Then, examine the alternative control line.
Now you can look at the complete path of every file that runs rundll32.exe and evaluate whether or not it originated in the System32 directory. To find out what exactly the procedure performs, place the mouse cursor on the name of the queried document. If it does not run in the System32 folder, scan your PC with a fantastic antivirus and anti-malware program.
Initiate Registry Cleaning
Additionally, the rundll32.exe not found error occurs due to some underlying or fundamental issues in the Windows registry that do not allow the initialization and operation of the Windows system itself. It usually occurs due to an error in the registry with faulty or deleted documents coming from working and starting windows strong. Many men and women become impatient when the error message …