[windows] How do I uninstall a Windows service if the files do not exist anymore?

You have at least three options. I have presented them in order of usage preference.

Method 1 - You can use the SC tool (Sc.exe) included in the Resource Kit. (included with Windows 7/8)

Open a Command Prompt and enter

sc delete <service-name>

Tool help snippet follows:

DESCRIPTION:
        SC is a command line program used for communicating with the
        NT Service Controller and services.

delete----------Deletes a service (from the registry).

Method 2 - use delserv

Download and use delserv command line utility. This is a legacy tool developed for Windows 2000. In current Window XP boxes this was superseded by sc described in method 1.

Method 3 - manually delete registry entries (Note that this backfires in Windows 7/8)

Windows services are registered under the following registry key.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services

Search for the sub-key with the service name under referred key and delete it. (and you might need to restart to remove completely the service from the Services list)

Examples related to windows

"Permission Denied" trying to run Python on Windows 10 A fatal error occurred while creating a TLS client credential. The internal error state is 10013 How to install OpenJDK 11 on Windows? I can't install pyaudio on Windows? How to solve "error: Microsoft Visual C++ 14.0 is required."? git clone: Authentication failed for <URL> How to avoid the "Windows Defender SmartScreen prevented an unrecognized app from starting warning" XCOPY: Overwrite all without prompt in BATCH Laravel 5 show ErrorException file_put_contents failed to open stream: No such file or directory how to open Jupyter notebook in chrome on windows Tensorflow import error: No module named 'tensorflow'

Examples related to windows-services

Can't start Tomcat as Windows Service Error 1053 the service did not respond to the start or control request in a timely fashion How to solve "The specified service has been marked for deletion" error Service will not start: error 1067: the process terminated unexpectedly How to get all Windows service names starting with a common word? Windows service with timer Windows service on Local Computer started and then stopped error Windows service start failure: Cannot start service from the command line or debugger "Automatic" vs "Automatic (Delayed start)" How to install node.js as windows service?

Examples related to installation

You don't have write permissions for the /Library/Ruby/Gems/2.3.0 directory. (mac user) Conda version pip install -r requirements.txt --target ./lib How to avoid the "Windows Defender SmartScreen prevented an unrecognized app from starting warning" PackagesNotFoundError: The following packages are not available from current channels: Tensorflow import error: No module named 'tensorflow' Downgrade npm to an older version Create Setup/MSI installer in Visual Studio 2017 how to install tensorflow on anaconda python 3.6 Application Installation Failed in Android Studio How to install pip for Python 3.6 on Ubuntu 16.10?