Oracle 19c services are not available after Windows 10 upgrade - windows-10

I have Windows 10 Enterprise Version: 20H2, Experience: Windows Feature Experience Pack 120.2212.4170.0. This upgrade happened last week. I had Oracle 19c server and client installed in my system with a database configured which was working fine before the Windows upgrade. I had all registry entries and the Oracle Windows services were visible under services.msc. I have an application installed which was configured using this same database. Suddenly I am seeing that the Oracle services are not showing under Windows Services, I don't see any registry entries which were there. Please can anyone help if similar issue has been observed and resolved. thanks!

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Fix application deploy error on AzureDevops

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##[Warning 1]
The operating system the agent is running on is "Windows Server" (OS name: 2008, OS version: 7601), which will not be supported by the .NET 6 based v3 agent. Please upgrade the operating system of this host to ensure compatibility with the v3 agent. See https://aka.ms/azdo-pipeline-agent-version
Then I am getting a error:
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Windows Server 2008 reached end of life years ago, so no modern tool is going to support it any more.
You might feel lucky that things were running, but that luck finally ran out. You have to upgrade your machine to a supported Windows version.

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need urgent help
i am not able to run the solution in the local environment. I have created the hello world sample and trying to run the application but i am getting error like some prerequisites are missing. Below in the configuration i have.
Installed in VM--
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VS 2010
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Windows Azure Tools: Warning: The Windows Azure development fabric and development storage are running on a 32-bit workstation. In the cloud, Windows Azure Hosted Services run in a 64-bit environment. The use of native code execution or .Net Full Trust features such as P/Invoke may require migration to 64-bit. See http://go.microsoft.com/fwlink/?LinkId=145047 for details.
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Also make sure the client profile in not set on the .NET Assembly versioning... Choose .NET 4
Did you upgrade to SP2 of Windows Server 2008 as suggested by the warning message ? And the mentioned hotfix for IIS7 & .NET 4.0: http://support.microsoft.com/kb/958854.

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