Click here to run a scan if you are experiencing issues with this process.
Application using this process: Dell® OpenManage Diagnostic Service
Recommended: Scan your system for invalid registry entries.
What is modemdiag.dll doing on my computer?
modemdiag.dll is a module belonging to Dell® OpenManage Diagnostic Service from Dell Inc. Non-system processes like modemdiag.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that over time your registry suffers fragmentation and accumulates invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.
In order to ensure your files and data are not lost, be sure to back up your files online. Using a cloud backup service will allow you to safely secure all your digital files. This will also enable you to access any of your files, at any time, on any device.
Is modemdiag.dll harmful?
modemdiag.dll has not been assigned a security rating yet. Scan your system now to identify issues with this process and services that can be safely removed.
modemdiag.dll is unrated
Can I stop or remove modemdiag.dll?
Most non-system processes that are running can be stopped because they are not involved in running your operating system. Scan your system now to identify unused processes that are using up valuable resources. modemdiag.dll is used by 'Dell® OpenManage Diagnostic Service'.This is an application created by 'Dell Inc.'. To stop modemdiag.dll permanently uninstall 'Dell® OpenManage Diagnostic Service' from your system. Uninstalling applications can leave invalid registry entries, accumulating over time. Run a free scan to find out how to optimize software and system performance.
Is modemdiag.dll CPU intensive?
This process is not considered CPU intensive. However, running too many processes on your system may affect your PC’s performance. To reduce system overload, you can use the Microsoft System Configuration Utility to manually find and disable processes that launch upon start-up. Alternatively, download PC Mechanic to automatically scan and identify any PC issues.