What is oss_reinstall.exe?

The genuine oss_reinstall.exe file is a software component of Acronis Disk Director Suite by Acronis.
Oss_reinstall.exe is an executable file that belongs to the Acronis Disk Director Suite, a collection of data management programs that include disk partitioning, recovery, and disk cloning software. This is not a critical Windows component and should be removed if known to cause problems.

The Acronis Disk Director Suite provides users with tools that protect data and optimize disk usage. These programs can be used to create and manage disk partitions, recover deleted or lost data, shorten image backups time, diagnose problems with file systems, and improve overall system performance.

Acronis International GmbH is a Swiss company that develops data protection solutions. The company primarily caters to small and medium-sized organizations and develops software for backup, disaster recovery, data access, and secure file sharing. Acronis was founded in 2003 and is currently headquartered in Schaffhausen, Switzerland.

oss_reinstall stands for Operating System Selector and Reinstaller

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 oss_reinstall.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.

Click to Run a Free Scan for oss_reinstall.exe related errors

Oss_reinstall.exe file information

Windows Task Manager with oss_reinstall
Oss_reinstall.exe process in Windows Task Manager

The process known as Acronis Disk Director Suite belongs to software unknown by Acronis (

Description: Oss_reinstall.exe is not essential for the Windows OS and causes relatively few problems. The oss_reinstall.exe file is located in a subfolder of "C:\Program Files\Common Files" (in most cases C:\Program Files (x86)\Common Files\Acronis\Acronis Disk Director\). Known file sizes on Windows 10/8/7/XP are 1,277,928 bytes (33% of all occurrences), 1,544,099 bytes or 1,560,552 bytes. 
The program has a visible window. Oss_reinstall.exe is a file with no information about its developer. The process starts when Windows starts (see Registry key: MACHINE\Run). Oss_reinstall.exe is not a Windows system file. Oss_reinstall.exe is able to monitor applications. Therefore the technical security rating is 31% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with oss_reinstall.exe, you can also uninstall the program using the Control Panel ⇒ Uninstall a ProgramAcronis Disk Director Suite or search the support area on the Acronis website.

Recommended: Identify oss_reinstall.exe related errors

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

Gehört zum Programm "Acronis Disk Director Suite 10 " welches einen Bootmanager (Acronis OS Selector) installiert.
it is an acronis disc director file
It's a Acronis disc director file. I uninstalled Adronis and got an error. I deleted the Acronis directory in c:\program files\comon files and the error was gone.

Summary: Average user rating of oss_reinstall.exe: based on 2 votes with 4 user comments. One user thinks oss_reinstall.exe is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous. 2 users don't grade oss_reinstall.exe ("not sure about it").

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Best practices for resolving oss_reinstall issues

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

oss_reinstall.exe [all]