What is DeepFrz?

The genuine DeepFrz.sys file is a software component of Deep Freeze by Faronics.
This system contains startup and configuration data for the Deep Freeze software set. It runs in the background to assist in system recovery and system restore, and constantly monitors the MBR for anomalies. Faronics developed the Deep Freeze software as an alternative to native Windows system restore software and expanded the duties that traditional restore utilities were used for.

DeepFrz stands for Deep Freeze

DeepFrz.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 DeepFrz.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for DeepFrz drivers in need of updating

DeepFrz.sys file information

The process known as DeepFrz or Deep Freeze driver belongs to software Deep Freeze (version 6) by Faronics (

Description: DeepFrz.sys is not essential for the Windows OS and causes relatively few problems. DeepFrz.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 131,472 bytes (66% of all occurrences), 152,472 bytes or 132,112 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The DeepFrz.sys file is a keyboard driver, can record inputs. The program is not visible. DeepFrz.sys is a Verisign signed file. DeepFrz.sys is certified by a trustworthy company. There is no detailed description of this service. DeepFrz.sys is not a Windows system file. DeepFrz.sys appears to be a compressed file. Therefore the technical security rating is 46% dangerous, however you should also read the user reviews.

Recommended: Identify DeepFrz.sys related errors

Important: Some malware disguises itself as DeepFrz.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the DeepFrz.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.


User Comments

Permite reiniciar o sistema tal comoestava antes. Muito Ăștil.
This driver intercept write operation between OS and Hard drive. Since it is a virtual driver deleting it is not deleting. Even Safe Mode
  Haris   (further information)
It shows up as one of the drivers for the Ativa (Belkin) 4Gb Flash Drive on the Milwaukee Public Library public computer system. It does not show up on my Windows XP laptop at home. The other files are disk.sys and ?port?mgr.sys
Deepfrz.sys is the driver for "Deep Freeze"
DeepFrz.sys is an application used for system restore and recovery. It can be used for a number of things, but the most prevalent reason that comes to mind is to prevent people from making permanent changes to a public computer, as when the computer shuts down and reboots, it will be restored to predifined settings.
it freez your system from make a virus
  KHUZAIMI BIN YUHANIF   (further information)

Rating chart

Summary: Average user rating of DeepFrz.sys: based on 7 votes with 6 user comments. 4 users think DeepFrz.sys is essential for Windows or an installed application. 2 users think it's neither essential nor dangerous. One user thinks DeepFrz.sys is dangerous and recommends removing it. One user is not sure about it.

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Best practices for resolving DeepFrz issues

A clean and tidy computer is the key requirement for avoiding problems with DeepFrz. 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 DeepFrz.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.

Other processes

DeepFrz.sys [all]