What is symsnap?

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

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

Symsnap.sys file information

The process known as StorageCraft Volume Snap-Shot belongs to software StorageCraft Volume Snap-Shot Development Edition by StorageCraft (

Description: Symsnap.sys is not essential for Windows and will often cause problems. The file symsnap.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 136,416 bytes (60% of all occurrences), 138,592 bytes, 144,960 bytes, 131,808 bytes or 137,952 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. Symsnap.sys is a Verisign signed file. The file has a digital signature. There is no detailed description of this service. Symsnap.sys is not a Windows core file. symsnap.sys appears to be a compressed file. Therefore the technical security rating is 16% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you experience any issues with installation of symsnap.sys, you can remove the entire program Norton Ghost using Windows Control Panel.

Recommended: Identify symsnap.sys related errors

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

Not sure if it's the original or a malware in disquise, but it caused a bsod in reaction to connection of some USB hdd (not all) might be that it didn't the letter Z for the drive.
Symantec Norton Ghost
  weasel   (further information)
If you are running Norton Security Systems obtained from Comcast, upgrade to the new version. Don't ignore any requests to run Norton's Back-up or ensure that Back-up is turned off.
  Les Meyers  

Summary: Average user rating of symsnap.sys: based on 3 votes with 3 user comments. One user thinks symsnap.sys is essential for Windows or an installed application. One user thinks it's probably harmless. One user suspects danger.

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Best practices for resolving symsnap issues

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

symsnap.sys [all]