Acedrv11.sys file information
The process known as ProtectDisc (version x64/x86 Hybrid Driver) or acedrv11 belongs to software Protect Software GmbH or ProtectDisc (version x64/x86 Hybrid Driver) by Protect Software GmbH (www.protect-software.com).
Description: Acedrv11.sys is not essential for the Windows OS and causes relatively few problems. Acedrv11.sys is located in the C:\Windows\System32\drivers folder.
Known file sizes on Windows 10/11/7 are 185,472 bytes (66% of all occurrences), 277,544 bytes, 277,736 bytes or 501,560 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs.
The service has no detailed description. The file is not a Windows system file. The program has no visible window. It is certified by a trustworthy company.
acedrv11.sys appears to be a compressed file.
Therefore the technical security rating is 34% dangerous.
Uninstalling this variant:
In the event of any problems with acedrv11.sys, you can safely remove the program using the
uninstall program of
Protect Software GmbH (Control Panel ⇒ Uninstall a Program) or visit the vendor's
support site.
Recommended: Identify acedrv11.sys related errors
Important: Some malware disguises itself as acedrv11.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the acedrv11.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.
Best practices for resolving acedrv11 issues
A clean and tidy computer is the key requirement for avoiding problems with acedrv11. 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 executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the acedrv11.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. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
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