AppMaintainer.exe file information
The process known as GV License Manager belongs to software GV LicenseManager by Grass Valley K.K.
Description: AppMaintainer.exe is not essential for the Windows OS and causes relatively few problems. AppMaintainer.exe is located in a subfolder of "C:\Program Files (x86)" (common is C:\Program Files (x86)\Grass Valley\GV LicenseManager\).
Known file sizes on Windows 10/11/7 are 8,655,640 bytes (50% of all occurrences), 8,927,952 bytes or 11,338,640 bytes. 
The AppMaintainer.exe file is not a Windows core file. It is digitally signed. There is no description of the program. The file is a Verisign signed file. The program starts when Windows starts (see Registry key: MACHINE\User Shell Folders).
AppMaintainer.exe is able to record keyboard and mouse inputs and monitor applications.
Therefore the technical security rating is 28% dangerous, however you should also read the user reviews.
Uninstalling this variant:
If you have any problems with AppMaintainer.exe, you could uninstall the program using the Control Panel ⇒
Uninstall a Program ⇒
GV LicenseManager.
Recommended: Identify AppMaintainer.exe related errors
Important: Some malware camouflages itself as AppMaintainer.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the AppMaintainer.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.
Best practices for resolving AppMaintainer issues
A clean and tidy computer is the key requirement for avoiding problems with AppMaintainer. 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 executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the AppMaintainer.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. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Other processes
oem.exe aduservice.exe wdbrazmon34.exe AppMaintainer.exe 0store-service.exe kesenjangansosial.exe epibrowser.exe spiceworks-httpd.exe idispchg.exe scmfb.exe thunderboltzeroinv.exe [all]
Score
User Comments
E. Schwarzenau
Summary: Average user rating of AppMaintainer.exe: based on 4 votes with 1 user comment. 3 users think AppMaintainer.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user is not sure about it.