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What is crcdisk?


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

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

Crcdisk.sys file information

The process known as Disk Block Verification Filter Driver belongs to software Microsoft Windows Operating System or CRC Disk Filter Driver by Microsoft (www.microsoft.com).

Description: Crcdisk.sys is not essential for the Windows OS and causes relatively few problems. The crcdisk.sys file is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 8/7/XP are 22,632 bytes (70% of all occurrences), 24,632 bytes, 21,984 bytes, 17,920 bytes or 22,584 bytes. http://www.file.net/process/crcdisk.sys.html 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. Crcdisk.sys is a Microsoft signed file. The file is certified by a trustworthy company. There is no detailed description of this service. It is not a Windows core file. crcdisk.sys appears to be a compressed file. Therefore the technical security rating is 8% dangerous, however you should also read the user reviews.

Recommended: Identify crcdisk.sys related errors

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

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User Comments

this actually came up after an infection of system on clean install the infection was Windows Police Pro
  Clinton  
While attempting to boot in safe mode, the system was hanging at "crcdisk.sys". I was able to fixed it this way: I ran Start-up Repair on the boot disc, and it actually did work, whereas the boot disc wasn't able to repair the situation earlier on.
  Mike  
The only problem with it is its usually the cause of The BSoD; on Vista that is; and it should be considered a threat if your laptop/computer starts to freeze, lagg or just generally play up.
  Nat  

Rating chart

Summary: Average user rating of crcdisk.sys: based on 6 votes with 3 user comments. 2 users think crcdisk.sys is essential for Windows or an installed application. 3 users think it's probably harmless. One user thinks crcdisk.sys is dangerous and recommends removing it. One user is not sure about it.


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Best practices for resolving crcdisk issues

A clean and tidy computer is the key requirement for avoiding problems with crcdisk. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the crcdisk.sys process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.



Other processes

crcdisk.sys [all]