SlWdmSup.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if SlWdmSup.sys is a Windows system file or if it belongs to an application that you can trust.
Description: SlWdmSup.sys is not essential for the Windows OS and causes relatively few problems. SlWdmSup.sys is located in a subfolder of C:\Windows\System32\drivers.
Known file sizes on Windows 10/8/7/XP are 13,248 bytes (71% of all occurrences) or 13,216 bytes.
The driver can be started or stopped from Services in the Control Panel or by other programs. The SlWdmSup.sys file is a file with no information about its developer. The program is not visible. There is no detailed description of this service. SlWdmSup.sys is not a Windows core file. SlWdmSup.sys appears to be a compressed file. Therefore the technical security rating is 37% dangerous, however you should also read the user reviews.
Recommended: Identify SlWdmSup.sys related errors
If SlWdmSup.sys is located in the C:\Windows\System32\drivers folder, the security rating is 4% dangerous. The file size is 39,348 bytes (66% of all occurrences) or 13,240 bytes. The program has no visible window. The file is a trustworthy file from Microsoft. There is no detailed description of this service. The file is a Windows core system file.
Important: Some malware camouflages itself as SlWdmSup.sys. Therefore, you should check the SlWdmSup.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
A clean and tidy computer is the key requirement for avoiding problems with SlWdmSup. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the SlWdmSup.sys process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.