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Application using this process: Unknown
Recommended: Scan your system for invalid registry entries.
What is pref.dll doing on my computer?
pref.dll is a module Non-system processes like pref.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.
Is pref.dll harmful?
pref.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.
pref.dll is unrated
Can I stop or remove pref.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. pref.dll is used by 'Unknown'.This is an application created by 'Unknown'. To stop pref.dll permanently uninstall 'Unknown' 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.