Error while installating EPPlus package offline on package manager console in visual studio 2019 - visual-studio

Error message -
Install -Package : Exception 'System.AggeratteException' thrown when trying to add source 'https://api.nuget.org/v3/index.json'
Please verify all your online package are available.
One or more errors occurred.
Unable to load the service index for source 'https://api.nuget.org/v3/index.json.
An error occurred while sending the request.
The underlying connection was closed. an unexpected error occurred on a send.
Unable to read data from transport connection: an existing connection was forcibly closed by remote host.

Please download the related .nupkg file to your local machine and add/set the corresponding package source in VS > Tools > Options > NuGet Package Manager > Package Sources, then install it offline by using package manager console.

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Error when fetching Swift Package Manager Package hosted on private HTTP2 only git repo server

I have multiple SPM packages hosted on a private repo that only supports HTTP/2. The packages will clone to my local machine fine, but when trying to add them as a dependency to a project, the package will not resolve. Either it will spin forever, or I will receive an error that says.
An unknown error occurred.
SecureTransport error: connection closed via error (-1)
Any help is appreciated

Jenkins unable to download xamarin dependency from dl.google.com / maven.google.com

Jenkins unable to download xamarin dependency from dl.google.com / maven.google.com
Download failure reason: Unable to connect to the remote server
Project stack
Dotnet Xamarin android application
Error
Downloading https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-core/16.0.1/firebase-core-16.0.1.aar to C:\Windows\system32\config\systemprofile\AppData\Local\XamarinBuildDownloadCache\googlefb-16.0.1/firebasecore.aar
C:\Windows\system32\config\systemprofile\.nuget\packages\xamarin.build.download\0.8.0\build\Xamarin.Build.Download.targets(52,3): error XBD001: Download failed. Please download https://dl.google.com/dl/android/maven2/com/google/firebase/firebase-core/16.0.1/firebase-core-16.0.1.aar to a file called C:\Windows\system32\config\systemprofile\AppData\Local\XamarinBuildDownloadCache\googlefb-16.0.1/firebasecore.aar. [D:\myfolder\Jenkins\workspace\projectname\project\project.Android\project.Android.csproj]
Download failure reason: Unable to connect to the remote server
Downloading https://maven.google.com/com/crashlytics/sdk/android/crashlytics-core/2.6.3/crashlytics-core-2.6.3.aar to C:\Windows\system32\config\systemprofile\AppData\Local\XamarinBuildDownloadCache\crashlyticscore-2.6.3.aar
C:\Windows\system32\config\systemprofile\.nuget\packages\xamarin.build.download\0.8.0\build\Xamarin.Build.Download.targets(52,3): error XBD001: Download failed. Please download https://maven.google.com/com/crashlytics/sdk/android/crashlytics-core/2.6.3/crashlytics-core-2.6.3.aar to a file called C:\Windows\system32\config\systemprofile\AppData\Local\XamarinBuildDownloadCache\crashlyticscore-2.6.3.aar. [D:\myfolder\Jenkins\workspace\projectname\project\project.Android\project.Android.csproj]
Download failure reason: Unable to connect to the remote server
I have tried configured corporate proxy in Jenkins. it works on the proxy configuration page but throws an error while building code. See in the below screenshot.

I am trying to configure my application in IIS7. but after configuring I am not able to browse the website

I have created an application with .net framework version 4.0. I am trying to configure this application in IIS. But after the configuration, when I am try to browse the particular website I am getting the following error.
Server Error in '/' Application. Configuration Error Description: An
error occurred during the processing of a configuration file required
to service this request. Please review the specific error details
below and modify your configuration file appropriately.
Parser Error Message: An error occurred loading a configuration file:
Failed to start monitoring changes to 'C:\Users\user\Documents\Visual
Studio 2013\Projects\Project2' because access is denied.
Source Error:
[No relevant source lines]
Source File: C:\Users\user\Documents\Visual Studio
2013\Projects\Project2\web.config Line: 0
Version Information: Microsoft .NET Framework Version:4.0.30319;
ASP.NET Version:4.0.30319.34237

Visual Studio 2013 Test Explorer - Discover Tests Failed to initialize data storage for staging test results

I constantly get the following error when opening the test explorer in VS2013:
Failed to initialize data storage for staging test results as it threw the following exception:
'A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 50 - Local Database Runtime error occurred. Error occurred during LocalDB instance startup: SQL Server process failed to start.
In the EventViewer I see the following entry:
Source: SQLLocalDB 12.0
Message: Windows API call WaitForMultipleObjects returned error code: 575. Windows system error message is: {Application Error}
The application was unable to start correctly (0x%lx). Click OK to close the application.
Reported at line: 3728.
Does anybody have the same problem and know how to get rid of this error?
Best regards
Yannik
Finally, I found a solution that worked in my case.
Delete the instance folder of local db called "v11.0" (C:\Users\theUser\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\v11.0)
Start cmd window and execute the following command: sqllocaldb create "v11.0"
After this, the problems within the test explorer were solved.
Yannik had the solution....local DB (v17) is now called MSSQLLocalDB.
Delete "MSSQLLocalDB"
(C:\Users\theUser\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\MSSQLLocalDB)
Create a new one.
sqllocaldb create "MSSQLLocalDB"

Update IBM WebSphere Application Server Liberty Network Deployment 8.5.5.0 to 8.5.5.1 failed (via Installation Manager)

Today I tried to update (via Installation Manager)
IBM WebSphere Application Server Liberty Network Deployment 8.5.5.0
to 8.5.5.1
Update failed with message:
Error during "post-install configure" phase:
CRIMA1076E: Error executing the /bin/sh command: status=1.
For more information, see the agent log file: /home/dsidelnikov/var/ibm/InstallationManager/logs/native/20131112_1734.log
Explanation: The installation operation failed due to an error executing the exec command.An issue has occurred with the package that cannot be resolved by Installation Manager.
User Action: Identify the package that has the issue. Contact IBM Support.
log file contains one message:
/bin/sh: /home/dsidelnikov/IBM/WebSphere/Liberty/lib/versions/service.fingerprint: No such file or directory
I checked, file service.fingerprint exists.
Is it known issue?

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