{ "id": "03567703-4b03-4bee-87cd-e6ef230f7039", "created_at": "2026-04-06T01:29:20.097632Z", "updated_at": "2026-04-10T13:11:59.840132Z", "deleted_at": null, "sha1_hash": "7c453b4a7c27b5f431883c9903577689c726625a", "title": "nssm.exe Windows process - What is it?", "llm_title": "", "authors": "", "file_creation_date": "0001-01-01T00:00:00Z", "file_modification_date": "0001-01-01T00:00:00Z", "file_size": 100087, "plain_text": "nssm.exe Windows process - What is it?\r\nBy Iian Patterson\r\nArchived: 2026-04-06 00:24:02 UTC\r\nThe genuine nssm.exe file is a software component of NSSM by .\r\nNon-Sucking Service Manager is a service manager for Microsoft Windows. Nssm.exe launches the Non-Sucking\r\nService Manager program. This is not an essential Windows process and can be disabled if known to create\r\nproblems. NSSM is a free utility that manages background and foreground services and processes. The program\r\ncan be set to automatically restart failing services. The program also logs all progress in an Event Log, making it\r\neasier to identify applications that aren't behaving as they should. Iian Patterson is a programmer that develops\r\nWindows utility and networking programs such as Remoteactions, Logrotate, lnkedit, Layered Window,\r\nOfpsounds, NSSM service helper, and Kerberos.\r\nNSSM stands for The Non-Sucking Service Manager launcher\r\nThe .exe extension on a filename indicates an executable file. Executable files may in some cases harm your\r\ncomputer. Therefore, please read below to decide for yourself whether the nssm.exe on your computer is a Trojan\r\nthat you should remove, or whether it is a file belonging to the Windows operating system or to a trusted\r\napplication.\r\nClick to Run a Free Scan for nssm.exe related errors\r\nSince 2005, file.net has helped users better understand and correctly identify Windows processes. Our own\r\nanalysis, research, and the collective experience of our community provide reliable, easy-to-understand\r\ninformation. Around 10,000 users trust us every day.\r\nNssm.exe file information\r\nNssm.exe process in Windows Task Manager\r\nhttps://www.file.net/process/nssm.exe.html\r\nPage 1 of 3\n\nDescription: Nssm.exe is not essential for Windows and will often cause problems. Nssm.exe is located in a\r\nsubfolder of the user's profile folder or sometimes in a subfolder of the user's \"Documents\" folder—mostly\r\nC:\\Users\\USERNAME\\AppData\\Roaming\\ or C:\\Users\\USERNAME\\AppData\\Local\\Host Service\\. Known file\r\nsizes on Windows 10/11/7 are 294,912 bytes (98% of all occurrences), 338,944 bytes and 4 more variants.  \r\nIt runs as service clr_optimization_v1.02 in the background: Microsoft .NET Framework NGEN.\r\nThe program is not visible. It is not a Windows core file. There is no file information. Nssm.exe is able to monitor\r\napplications. Therefore the technical security rating is 73% dangerous, but you should also take into account the\r\nuser reviews.\r\nUninstalling this variant: If problems with nssm.exe occur, you could remove the entire Host Service or HttpFilter\r\nprogram using Windows Control Panel.\r\nRecommended: Identify nssm.exe related errors\r\nIf nssm.exe is located in a subfolder of \"C:\\Program Files\", the security rating is 51% dangerous. The file\r\nsize is 294,912 bytes (33% of all occurrences), 378,616 bytes and 33 more variants. The program is not\r\nvisible. The nssm.exe file is not a Windows system file. There is no information about the author of the\r\nfile. Nssm.exe is able to monitor applications.\r\nUninstalling this variant: If problems with nssm.exe occur, you could do the following:\r\n  1) remove the entire NordVPN or myCANAL program using Windows Control Panel\r\n  2) turn to the software developer, Nordvpn, for advice.\r\nIf nssm.exe is located in a subfolder of C:\\, the security rating is 45% dangerous. The file size is\r\n324,608 bytes (40% of all occurrences), 294,912 bytes, 331,264 bytes or 394,240 bytes. It is not a\r\nWindows system file. The program has no visible window. There is no description of the program.\r\nNssm.exe is able to monitor applications.\r\nUninstalling this variant: If problems with nssm.exe occur, you could do the following:\r\n  1) remove the entire EaselLocal or QRMAgentService program using Windows Control Panel\r\n  2) consult www.easel.com [1][2]’s Customer Service for advice\r\n  3) search for an update on the vendor’s website.\r\nIf nssm.exe is located in a subfolder of C:\\Windows, the security rating is 54% dangerous. The file size is\r\n331,264 bytes (33% of all occurrences), 368,640 bytes, 207,360 bytes or 381,952 bytes.\r\nIf nssm.exe is located in the C:\\Windows folder, the security rating is 49% dangerous. The file size is\r\n324,608 bytes (40% of all occurrences), 167,424 bytes or 229,376 bytes.\r\nImportant: Some malware also uses the file name nssm.exe, for example Trojan.Win64.NSSM.AGNT (detected by\r\nTrendMicro), and Trojan.Win64.Agent.qwhvbo (detected by Kaspersky). Therefore, you should check the\r\nnssm.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your\r\ncomputer's security. This was one of the Top Download Picks of The Washington Post and PC World.\r\nBest practices for resolving nssm issues\r\nhttps://www.file.net/process/nssm.exe.html\r\nPage 2 of 3\n\nA clean and tidy computer is the key requirement for avoiding problems with nssm. This means running a scan for\r\nmalware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer\r\nneed, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always\r\nremember to perform periodic backups, or at least to set restore points.\r\nShould you experience an actual problem, try to recall the last thing you did, or the last thing you installed before\r\nthe problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your\r\nproblem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your\r\ninstallation or executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to\r\nrepair the operating system without losing data.\r\nTo get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain\r\nintact, but any programs you installed will need to be reinstalled.\r\nTo help you analyze the nssm.exe process on your computer, the following programs have proven to be helpful:\r\nASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as\r\nkeyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the\r\nprocess being potential spyware, malware or a Trojan. A good Bantivirus software detects and removes sleeping\r\nspyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.\r\nOther processes\r\nsptd.sys acs.exe browser_assistant.exe nssm.exe wlidnsp.dll dirmngr.exe igfxhk.exe riconman.exe\r\nservice_update.exe mpcopyaccelerator.exe jqs.exe [show all]\r\n \r\nSource: https://www.file.net/process/nssm.exe.html\r\nhttps://www.file.net/process/nssm.exe.html\r\nPage 3 of 3", "extraction_quality": 1, "language": "EN", "sources": [ "ETDA" ], "origins": [ "web" ], "references": [ "https://www.file.net/process/nssm.exe.html" ], "report_names": [ "nssm.exe.html" ], "threat_actors": [], "ts_created_at": 1775438960, "ts_updated_at": 1775826719, "ts_creation_date": 0, "ts_modification_date": 0, "files": { "pdf": "https://archive.orkl.eu/7c453b4a7c27b5f431883c9903577689c726625a.pdf", "text": "https://archive.orkl.eu/7c453b4a7c27b5f431883c9903577689c726625a.txt", "img": "https://archive.orkl.eu/7c453b4a7c27b5f431883c9903577689c726625a.jpg" } }