How to Fix a System Restore Run DLL Error

1. Click on 'Start,' 'Turn Off Computer' and 'Restart' to restart your computer. Press the 'F8' key while your computer is restarting. This will take you to the boot menu of the operating system.
2. Scroll down to 'Safe Mode' and press the 'Enter' key. Wait for the system to load.
3. Click on 'Start' and 'My Computer.' Double-click on the 'C:\' drive to access it.
4. Browse for 'C:\Windows\INF' and double-click on the directory to access it. Locate the 'sr.inf' file and right-click on it. Select the 'Install' option from the sub-menu that appears. Wait for the installation to complete. While the installation is carrying on, you may be presented with a files-needed prompt.
5. Insert the Windows XP CD into your CD-ROM drive if asked for files. Browse for the 'C:\Windows\ServicePackFiles\i386' folder on the Windows XP CD and click on it to select it for the files needed prompt. Click on 'OK' to continue the installation. Click on 'Start,' 'Turn Off Computer' and 'Restart' to successfully update the change. This should fix the 'Rundll32.exe' error when clicking on system restore or the properties of your computer.