1,303 questions with Developer technologies | .NET | .NET Runtime tags

Sort by: Updated
Updated Created Answers
2 answers

Can Oracle.ManagedDataAccess NuGet (23.x) run in a 32-bit .NET Framework application?

Hello Team, I migrated from Oracle.DataAccess.dll (unmanaged) to Oracle.ManagedDataAccess.dll (managed) in a VB.NET application targeting .NET Framework 4.8 which is a 32-bit application. Oracle docs say managed driver requires 64-bit, but the NuGet…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-12-22T10:35:37.89+00:00
Aman Agrahari 140 Reputation points
edited a comment 2025-12-23T07:43:49.23+00:00
Aman Agrahari 140 Reputation points
1 answer One of the answers was accepted by the question author.

Issues trying to install .NET Framework 3.5 to an Offline Machine

Hello, I'm having issues installing Framework 3.5 to an offline machine. Every time I attempt to install the offline service pack, windows 11 attempts to connect to windows update servers and errors out with 0x8024402c. I can't seem to disable windows…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-12-22T14:40:35.07+00:00
Gered Koch 0 Reputation points
accepted 2025-12-22T14:51:09.4266667+00:00
Gered Koch 0 Reputation points
2 answers

How to migrate VB.NET WinForms app using legacy COM/ActiveX controls to 64-bit (.NET Framework 4.8.1)?

Hello Community, I have a VB.NET application targeting .NET Framework 4.8.1, currently compiled as 32-bit (x86) because it uses several legacy COM/ActiveX controls and references. I want to migrate this application to 64-bit (AnyCPU or x64) for future…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-12-22T10:27:54.1333333+00:00
Aman Agrahari 140 Reputation points
answered 2025-12-22T13:22:59.54+00:00
Susmitha T (INFOSYS LIMITED) 1,885 Reputation points Microsoft External Staff
1 answer

Error while opening VS 2003 project in VS pro 2022

I am getting Error "Object reference not set to an instance of an object" while opening VS 2003 project in VS pro 2022. First it is asking for confirmation for one-way upgrade and after clicking on ok error pop up comes and solution is also not…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-12-18T09:48:36.97+00:00
Kumarv, Praveen 0 Reputation points
commented 2025-12-22T07:19:23.05+00:00
Kumarv, Praveen 0 Reputation points
2 answers One of the answers was accepted by the question author.

How to fix MyDell attempting to use EOL/Unsupported .NET 6

I am receiving Qualys vulnerabilities alerts due to assets having "EOL/Obsolete Software: Microsoft .Net Version 6 Detected" I removed .Net 6.0.36 from a test asset and resolved the vulnerability. After restarting my device, I receive the…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-02-04T18:45:41.2533333+00:00
Tim A 40 Reputation points
edited a comment 2025-12-14T22:39:41.8233333+00:00
Mark Hetherington 10 Reputation points
1 answer

.NET Frame work 4.0 version compatible application not working in windows 11

Good day, We installed the CNL Application on Windows 10, where it was working fine with .NET Framework 4.0. After upgrading to Windows 11, the application is no longer functioning properly. I attempted to install .NET Framework 4.0, but the system shows…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-12-08T04:33:32.9133333+00:00
Koteswara Rao Mandava 5 Reputation points
commented 2025-12-12T04:26:53.4333333+00:00
Susmitha T (INFOSYS LIMITED) 1,885 Reputation points Microsoft External Staff
1 answer

Debian APT Source Issue

Hello, I’m having an issue with my apt sources, as shown below. It says that the SDK requires 652GB of space, which seems way too high. Could anyone help me figure out what’s going wrong? I’d really appreciate any guidance. Thank you!

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-11-30T15:39:32.76+00:00
楠 白雨 0 Reputation points
commented 2025-12-12T03:39:21.0766667+00:00
Harry Vo (WICLOUD CORPORATION) 3,925 Reputation points Microsoft External Staff Moderator
4 answers

Why is our coded Microsoft SSO, written in .NET 8 and implemented via AddMicrosoftAccount, now causing 404 errors?

We have a .NET application written in 8.0. For several months we've been using AddMicrosoftAccount for our Microsoft SSO after upgrading the program from the old .NET Framework 4.8. Several weeks ago we started receiving 404 errors in the Edge browser.…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-12-08T14:30:51.7733333+00:00
Jesse Sierks 35 Reputation points
commented 2025-12-10T13:28:43.9066667+00:00
Jamie Luby 0 Reputation points
1 answer

failed load hostfxr.dll at .net9 self-container app on win10,win7

i write a client app with .net9 vs2026, and publish with self-container. but it can't be run when i double-click on (win10,win7) part of my client machine. i look eventlog and get this. how to reslove this? i got a information for win7, install a…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-12-02T03:03:59.5266667+00:00
SIR WANG 0 Reputation points
commented 2025-12-09T12:16:37.37+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,215 Reputation points Microsoft External Staff
3 answers

How To Install .net framework 4.0 on windows 11

Good day, We installed the CNL Application on Windows 10, where it was working fine with .NET Framework 4.0. After upgrading to Windows 11, the application is no longer functioning properly. I attempted to install .NET Framework 4.0, but the system shows…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-11-27T05:32:06.29+00:00
Koteswara Rao Mandava 5 Reputation points
commented 2025-12-08T10:14:05.0233333+00:00
Gade Harika (INFOSYS LIMITED) 2,175 Reputation points Microsoft External Staff
2 answers

Need assistance with .Net Framework runtime error on ver 4.8 .

I'm using Fortra's Automate software which uses .Net and when running tasks, it's erroring out and before the application error there's .Net runtime error. Vendor advised that the issue is with .Net and not their application. However unable to make…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-11-20T10:53:18.3066667+00:00
Avinash M 0 Reputation points
commented 2025-12-01T11:20:38.3033333+00:00
Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED) 1,465 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

How to fix API

Use your fixing.com web tool to fix your API make sure you visited my sites .net if its not working or its slow please search on .net runtime or contact us on our contact services

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-11-27T21:00:41.66+00:00
Heavenlys Ntsaluba 20 Reputation points
accepted 2025-11-27T21:02:09.6033333+00:00
Heavenlys Ntsaluba 20 Reputation points
2 answers One of the answers was accepted by the question author.

Script to track AD group changes and email

Hi all, I’m trying to set up a scheduled PowerShell script that: Monitors an on-prem AD security group (example: SG_App_Access) Runs every 4 hours via Task Scheduler Compares current membership to the last run Detects which users were Added or…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-11-22T11:35:00.27+00:00
Rising Flight 6,176 Reputation points
accepted 2025-11-25T14:56:52.86+00:00
Rising Flight 6,176 Reputation points
1 answer

Deployed C# API is not accessible, swagger, routes, all return 404

I was able to connect my github repo, github action auto-deployment on commit. Builds and deploys successfully (creating artifact) from the yml script Azure I auto-generated and committed to my repo. Azure overview page says my app is running good, no…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-04-14T03:49:00.7733333+00:00
Eric Milliot 5 Reputation points
answered 2025-11-25T02:59:09.3366667+00:00
Eric Milliot 5 Reputation points
2 answers One of the answers was accepted by the question author.

Mismatching versions of System.Text.Json

In our company, we develop 2 .NET solutions. Solution 1 contains - amongst others - a couple of .NET Framework 4.7.2 class libraries used in other projects. Some of these class libraries reference the NuGet package System.Text.Json 9.0.11 because this is…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-11-12T15:41:22.73+00:00
uds 25 Reputation points
edited a comment 2025-11-19T15:38:58.9866667+00:00
uds 25 Reputation points
3 answers One of the answers was accepted by the question author.

How can I create an Azure Web App using .NET 10 (LTS)? I only se the .NET 10 (LTS) (Preview)

I am trying to deploy a webapp to production that uses .NET 10 (LTS). I only see .NET 10 (LTS) (Preview) as an option. When will the .NET 10 (LTS) runtime stack be available in Azure?

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-11-12T15:19:26.0233333+00:00
Carlos Espinoza 75 Reputation points
commented 2025-11-17T11:00:18.2266667+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,215 Reputation points Microsoft External Staff
7 answers One of the answers was accepted by the question author.

Unable to install .NET Framework 4.8 in silent mode

Hi, I am unable to install .NET Framework 4.8 offline installer via silent mode. I used Admin CMD with "ndp48-x86-x64-allos-enu.exe /q /norestart" command to install. It won't install and stuck in End User Accept License area. I knew this…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2022-06-02T22:54:03.123+00:00
Brandon Ho 376 Reputation points
edited a comment 2025-11-14T19:25:17.69+00:00
kanwal shahzadi 0 Reputation points
1 answer

High Queued Items and RedisTimeoutException in .NET 9 Application - Potential Thread Starvation?

Hello Microsoft Community, We are encountering frequent RedisTimeoutException errors in our .NET 9-based application, which is running on Linux-based containers. Our Redis instance is hosted on AWS Elasticache with version 7.0.7. The issue primarily…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-10-24T06:43:34.2733333+00:00
net 6 newbie 121 Reputation points
commented 2025-11-05T03:37:51.89+00:00
Adiba Khan 1,600 Reputation points Microsoft External Staff
2 answers

System.Security.Cryptography.CryptographicException: SignatureDescription could not be created for the signature algorithm supplied.

Hi team we areusing clickonce to deploy and we migrated from 2019r3 to 2022r3 and previously we used sha1 and its expired now we are using sha256 but we are getting See the end of this message for details on invoking  just-in-time (JIT) debugging…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2025-09-19T13:43:52.0366667+00:00
Neelapala, Prasad [TECH NE] 0 Reputation points
commented 2025-11-03T10:22:45.0266667+00:00
Adiba Khan 1,600 Reputation points Microsoft External Staff
2 answers

The reference assemblies for .NETFramework, Version=v4.0 were not found. To resolve this, install the Developer Pack (SDK/Targeing Pack) for this framework version or retarget your appliation.

I installed Visual Studio Enterprise 2022 64 bit Version 17.1.3 on Windows 10 21H2 and with Python 3.9.12 installed under C:\Python\Python39_64. I created a project via "Python Application". As soon as I created this project, I ended up with…

Developer technologies | .NET | .NET Runtime
Developer technologies | .NET | .NET Runtime
.NET: Microsoft Technologies based on the .NET software framework. Runtime: An environment required to run apps that aren't compiled to machine language.
1,303 questions
asked 2022-04-05T22:12:09.997+00:00
Gui, Feng 26 Reputation points
commented 2025-11-02T18:08:38.6966667+00:00
Wesley Oldaker 0 Reputation points