1,314 questions with Developer technologies | .NET | .NET Runtime tags

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.net Framewok 4.6.2 on Windows 10 32bit does not install in correct registry folder

When I try to install Team Explorer 2022 it says I need .netFramework 4.6 or higher--I did this and it says It cannot find it--it only sees 4.0 folder ????

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.

1,314 questions
asked 2026-03-12T16:04:15.3+00:00
Latona,Norey,US-St. Louis 0 Reputation points
commented 2026-03-12T16:07:16.35+00:00
Latona,Norey,US-St. Louis 0 Reputation points
0 answers

Faulting module ntdll.dll error in net10

I have an application which has both its 32-bit and 64-bit variant.I recently retargetted it to net10 from net8.64-bit application works fine.But the 32-bit application crashes with following error -: Faulting module name: ntdll.dll, version:…

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.

1,314 questions
asked 2026-03-12T10:43:08.6966667+00:00
Bevan Thomas 0 Reputation points
commented 2026-03-12T11:55:48.18+00:00
RLWA32 52,256 Reputation points
2 answers

NuGet Package Microsoft.Data.SqlClient version 6.0.1+

I am working on Solution with Multiple Projects in it. 1] Class Liabrary (common for all projects) 2] WinForms Application (using .NET 6.0) 3] MAUI Application (using .NET 10.0) Application uses SqlServer for Database, for this I have Installed…

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.

1,314 questions
asked 2026-03-11T22:48:14.72+00:00
sandeep jakhotya 0 Reputation points
answered 2026-03-12T06:12:15.2133333+00:00
Jack Dang (WICLOUD CORPORATION) 14,955 Reputation points Microsoft External Staff Moderator
2 answers

Library e_sqlite3 not found

I am getting the below exception in my .net application targeting to .net 4.7.2 and platform set as Any CPU. I have tried many things but couldn't succceed. Then I tried the exact same code and configuration of the official sample app which works fine…

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.

1,314 questions
asked 2026-03-10T13:21:07.84+00:00
Vivek Nuna 30 Reputation points
answered 2026-03-11T04:00:08.34+00:00
Jack Dang (WICLOUD CORPORATION) 14,955 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

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.

1,314 questions
asked 2025-12-02T03:03:59.5266667+00:00
SIR WANG 20 Reputation points
commented 2026-03-10T11:27:48.27+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,780 Reputation points Microsoft External Staff
2 answers

Connecting to SQLExpress Database takes long time

Upgraded .net 4.8 C# app to .net 8. The new version takes 30 seconds to connect to SQLExpress database on server (\ServerName\SQLExpress). Original version took less than 1 second to connect to same server. Management Studio and reporting tool also…

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.

1,314 questions
asked 2025-05-09T18:00:30.5266667+00:00
Lorne Johnson 0 Reputation points
edited a comment 2026-03-05T19:08:12.29+00:00
Tomaž Žveglič 0 Reputation points
1 answer

How do I get .NET to run properly?

When I try to open the .NET application file, it will open for a split second before instantly closing again. Is this normal or am I doing something wrong?

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.

1,314 questions
asked 2026-02-11T10:48:49.9866667+00:00
Mason Tandy 0 Reputation points
commented 2026-03-03T09:27:55.3833333+00:00
Michael Le (WICLOUD CORPORATION) 11,080 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Issue with DNS lookups and Chinese characters in hostname

I am seeing an issue in the field, and I'd like the communities take on it. When the hostname is Chinese characters, our logging show this error when our application runs (I havent tried a hostname of ascii and chinese). ===== 2026/2/23 16:38:12: (6) …

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.

1,314 questions
asked 2026-02-24T01:58:29.8166667+00:00
Bryan Johnson 20 Reputation points
commented 2026-02-26T03:10:46.1733333+00:00
Jack Dang (WICLOUD CORPORATION) 14,955 Reputation points Microsoft External Staff Moderator
0 answers

Erroneous caching of SCHANNEL_CRED in .NET Framework leads to TLS handshake failures for clients using a client certificate that is also used as a server certificate

I have discovered a bug in .NET Framework's SSPI SSL/TLS implementation, which implicates the static SslSessionsCache that is used to cache SCHANNEL_CRED handles. The bug can be consistently reproduced on the latest version of .NET Framework 4.8 (I…

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.

1,314 questions
Windows for business | Windows Server | User experience | Other
Windows for business | Windows Client for IT Pros | User experience | Other
asked 2022-08-26T12:08:40.713+00:00
Erlend Graff 6 Reputation points
commented 2026-02-11T00:32:30.84+00:00
Nick Westgate 1 Reputation point
3 answers

How to handle .NET Runtime updates with running applications

Last friday we faced an issue with our application where a user was unable to save their data and got a missing file exception. We believe this might be related to the update of the .NET 8 Runtimes, while our (.NET8) application was running. The User…

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.

1,314 questions
asked 2026-01-27T11:00:31.7766667+00:00
Nico-87 0 Reputation points
answered 2026-02-10T13:08:45.4533333+00:00
Pooja Bhati 0 Reputation points
1 answer

How to fix issue with subscribing to a message in my .net application from a topic

Facing issue with processing message from servicebus topic in .net application. The subscribing service is part of applicaiton which has reference to project where Messagehandler is implemented. Service bus message is reaching the subscription but my…

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.

1,314 questions
asked 2026-01-29T11:49:20.2566667+00:00
Boddu, Yashwanth 0 Reputation points
commented 2026-02-04T08:08:13.84+00:00
Jack Dang (WICLOUD CORPORATION) 14,955 Reputation points Microsoft External Staff Moderator
1 answer

.net framework 4.8.1 Targeting pack - Patch for 4.8.09037

Hi Together. Dows someone know if it possible to update resp. patch .net framework 4.8.1 Targeting pack 4.8.09037. Installed all KB related to this vulnerabilities but my antivirus agent still showing this version as vulnerable.

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.

1,314 questions
asked 2026-01-07T14:22:40.9233333+00:00
Zelimir Zaric 0 Reputation points
commented 2026-01-19T02:38:48.2533333+00:00
Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED) 1,960 Reputation points Microsoft External Staff
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.

1,314 questions
asked 2025-12-08T14:30:51.7733333+00:00
Jesse Sierks 40 Reputation points
commented 2026-01-11T22:03:10.1733333+00:00
Johnathan Coe 0 Reputation points
2 answers

Sudden unexplained build failure: "Could not load file or assembly 'System.Runtime, Version=6.0.0.0"

Having a weird issue all of a sudden - my visual studio 2022 solution refuses to build, as several projects suddenly and unaccountably report similar errors, looking like this: The "ResolvePackageAssets" task failed…

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.

1,314 questions
asked 2026-01-07T21:42:27.1633333+00:00
Chris Guin 0 Reputation points
commented 2026-01-09T13:10:33.0133333+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,780 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

Which Smart Assembly Version Do I have Use For .NET Core 8

Dear Team, I have migrated my .NET Core 8 application from .NET Framework 4.7. Previously when we used to use .NET Framework 4.7 we were using Smart Assembly version (6.9.0.114) for Obfuscation Release. But now after migrating to .NET Core 8 for…

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.

1,314 questions
asked 2025-10-08T12:26:20.6466667+00:00
Drusti Kumar 20 Reputation points
accepted 2026-01-07T06:04:45.77+00:00
Drusti Kumar 20 Reputation points
2 answers

How to Migrate VB.NET WinForms App from AxTabDlg.AxSSTab (Sheridan SSTab ActiveX) to 64-bit Managed Controls?

Hello Community, I’m working on migrating a VB.NET Windows Forms application from 32-bit ActiveX controls to a pure 64-bit managed solution. The app currently uses Sheridan SSTab ActiveX via AxInterop.TabDlg (e.g., AxTabDlg.AxSSTab). Since ActiveX/COM…

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.

1,314 questions
asked 2025-12-29T06:25:24.8933333+00:00
Aman Agrahari 180 Reputation points
commented 2026-01-06T12:05:37.3+00:00
Varsha Dundigalla(INFOSYS LIMITED) 4,780 Reputation points Microsoft External Staff
2 answers One of the answers was accepted by the question author.

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.

1,314 questions
asked 2025-12-22T10:35:37.89+00:00
Aman Agrahari 180 Reputation points
commented 2025-12-31T07:33:11.76+00:00
Susmitha T (INFOSYS LIMITED) 2,610 Reputation points Microsoft External Staff
2 answers One of the answers was accepted by the question author.

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.

1,314 questions
asked 2025-12-22T10:27:54.1333333+00:00
Aman Agrahari 180 Reputation points
accepted 2025-12-26T06:30:57.7566667+00:00
Aman Agrahari 180 Reputation points
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.

1,314 questions
asked 2025-12-18T09:48:36.97+00:00
Kumarv, Praveen 0 Reputation points
commented 2025-12-26T06:21:07.99+00:00
Susmitha T (INFOSYS LIMITED) 2,610 Reputation points Microsoft External Staff
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.

1,314 questions
asked 2025-12-22T14:40:35.07+00:00
Gered Koch 20 Reputation points
accepted 2025-12-22T14:51:09.4266667+00:00
Gered Koch 20 Reputation points