This DLL error can be seen on any Microsoft operating system, from Windows 11 to Windows XP, especially systems that Nero is compatible with. However, advrcntr5.dll errors can appear even on computers without Nero installed if there is a malware infection of some sort.

Follow these steps in the order they are listed:

Restart your computer. The advrcntr5.dll error could be a fluke and a simple restart could fix it completely.

Note the serial number of your specific Nero installation. One way to do this is with a product key finder program.