Method 1:
To uninstall the Site24x7 Windows Server Monitoring Agent, click the link below: https://staticdownloads.site24x7.com/server/Site24x7WindowsAgentUninstall.zip
Unzip and execute the Uninstall.bat file in the Command Prompt as an administrator.
Method 2:
You can also execute the following script in the Command Prompt as an administrator:
MsiExec.exe /X{0C16B7BE-0473-4345-B182-E61A209699D4} /quiet
By doing so, you can uninstall your Site24x7 Windows Server Monitoring Agent.