What is sqlwriter.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the sqlwriter.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Sqlwriter.exe file information

Windows Task Manager with sqlwriter
Sqlwriter.exe process in Windows Task Manager

The process known as SQL Server VSS Writer (version - 64 Bit) belongs to software Microsoft SQL Server VSS Writer or Microsoft SQL Server (version 2012 Express LocalDB, 2014 Express LocalDB) or Microsoft SQL Server Native or SQL Server VSS Writer or Microsoft SQL Server Native Client or Escritor de VSS de Microsoft by Microsoft (

Description: Sqlwriter.exe is not essential for the Windows OS and causes relatively few problems. Sqlwriter.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 89,968 bytes (29% of all occurrences), 87,904 bytes and 17 more variants. 
The program is not visible. The sqlwriter.exe file is digitally signed. Sqlwriter.exe is not a Windows core file. You can uninstall this program in the Control Panel. Sqlwriter.exe is able to monitor applications. Therefore the technical security rating is 23% dangerous, however you should also read the user reviews.

Uninstalling this variant: The software publisher Microsoft provides direct support ( You could uninstall the program using the Control Panel ⇒ Uninstall a ProgramMicrosoft SQL Server VSS Writer or Microsoft SQL Server 2012 Express LocalDB.

Recommended: Identify sqlwriter.exe related errors

Important: Some malware camouflages itself as sqlwriter.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the sqlwriter.exe 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

Takes up alot of system recourses(mind my spelling)
sqlwriter.exe is a process associated with Microsoft SQL Server from Microsoft Corporation. Allows backup and restore applications to operate in the Volume Shadow Copy Service (VSS) framework.
if you use sql server, it is a necessary file. otherwise you can delete it.
Diese exe wird von Visual Studio verwendet, wer also diese Programmieroberfläche nutzt brauch sich da keine Gedanken machen.
Belongs to Visual Studio
Wird von Visual Studio verwendet.

Rating chart

Summary: Average user rating of sqlwriter.exe: based on 9 votes with 6 user comments. 5 users think sqlwriter.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 3 users think it's neither essential nor dangerous.

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Best practices for resolving sqlwriter issues

A clean and tidy computer is the key requirement for avoiding problems with sqlwriter. 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 repairing of your installation or, for Windows 8 and later versions, 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 sqlwriter.exe 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

sqlwriter.exe [all]