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Installing .NET 3.5

February 3, 2019, 11:41 am
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Hi,

I'm trying to turn on Windows Feature .NET Framework 3.5 (include NET. 2.0 and 3.0).  I turn on the feature on by clicking it and Windows responds by saying that it "..needs files from Windows Update to finish installing...".  I accept that it will need to download files and after a brief wait it responds with:

Windows couldn't complete the requested changes.

The changes couldn't be completed. Please reboot your computer and try again.

Error code: 0x80072F8F

I've tried rebooting several times, searching the web for solutions and downloading the .NET 3.5 directly from the Microsoft website all to no avail.

Can anyone help?

Regards

John


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Unble to install .net 4.5 version on Windows Server 2016

February 5, 2019, 4:08 am
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Hello All,

We have installed windows server 2016 & trying to install one of the internal application which has dependency of .net 4.5. Whenever we try to uninstall .net 4.7 its reinstall again post reboot.

Please help us to downgrade version from .net 4.7 to 4.5

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.Net Framework setup

January 17, 2019, 9:17 am
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How do I resolve this problem???
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Visual Studio extensions

February 6, 2019, 5:22 am
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What extensions for Visual Studio will you recommend to a newbie?
I see a huge number of plugins, extensions. But which ones are useful for a beginner. I doubt that I can try at least half of the available extensions) It will take years ...
What can you recommend? What plugins do you find useful?
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Testing apps that run 4.7.2 on machine that also hosts .Net 4.6 apps

February 6, 2019, 8:55 am
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We have a QA environment that services 2 different branches of code with separation done by IIS website prefix.

QA1-site.domain.com

QA2-site.domain.com

For a new branch that we are putting into QA2, we are reconfiguring the site to build and run with .Net 4.7.2.

QA1 is still running 4.5/4.6

If we install 4.7.2 on these machines will both sites (build with .Net 4.6 and .Net 4.7.2 respectively) target the proper .Net and work ok or should we expect to see problems?

thanks in advance.

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Trying to upgrade to 4.7 says a higher version is already installed

February 6, 2019, 9:02 am
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I have downloaded the upgrade for .Net Framework 4.7

When I run the installer, I'm getting a message stating that a higher version is already installed.  Looking in Control Panel, I am on 4.5.2.  

Why am I getting this message?

Thanks for your help!!

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Support policy for .Net Framework

February 6, 2019, 4:25 pm
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Hello.

I have found .Net Framework Lifecycle (https://support.microsoft.com/en-us/lifecycle/search/548) specified support end date.

That Document explains .Net Framework 4.5.1 has been not supported. In this part, I have some question.

I have run Application set target framework 4.5.1. In this case, If I upgrade .net framework version of machine (Application's server) can I get MS support? Or I have to upgrade target framework version of application also?

Thanks.

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.NET Framework 4.6.2 project cannot be loaded, but framework SDK is installed

February 7, 2019, 12:11 pm
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I'm setting up a new computer to analyse a build issue for a client. They use Windows 10 and Visual Studio 2015 Update 3, which I have installed on a clean machine. The project targets .NET Framework 4.6.2. It can be loaded and built on the client's computer, and it also works on my main computer (VS 2017). But VS 2015 refuses to load that project on my test machine.

It constantly says the .NET Framework 4.6.2, used by the project, is not installed. But I just did install the 4.6.2 SDK offline installer which claims to include the targeting pack. While I can see targeting packs for older frameworks in the system's app list, there is none for 4.6.2 besides the SDK. So did the SDK installation fail? Or is VS just stupid? Restarting Windows doesn't help.

I've also tried to install the .NET Framework 4.6.2 (not the SDK) but it also refuses to install because a newer version would already be there. Which is understandable since this is a current Windows 10 system.

I need to load that project very soon, so what do I have to do to convince VS 2015 to do its job properly?

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Failed to Install .net framework 3.5.

December 28, 2018, 12:26 am
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I created a 2012 R2 Datacenter VM. I tried to install .net framework 3.5 but it says the source file was missing. I started troubleshooting and figured it was a security update was preventing it. I looked in my control panel and looked at the installed programs and neither the security update or the update that was supposed to delete the security update was there. The other solution was to use an alternate source path using \sources\sxs but that doesn't work either. There was an article that says "If you are using Server Manager in Windows Server 2012 to add a role or feature to a remote server, the remote server’s computer account (DOMAIN\ComputerName$) requires access to the alternate source file path because the deployment operation runs in the SYSTEM context on the target server" but I'm not sure how to do that. I also noticed typically under resources for each VM I create, there will also be a .iso file created but for some reason, it doesn't work anymore more. I tried recreating the server but the same issue arises
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How to avoid localized .Net error messages in Windows 10.

February 13, 2019, 4:10 am
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This is a question related to the other question "How to avoid localized messages"(https://social.msdn.microsoft.com/Forums/vstudio/en-US/610d5375-c7cb-4982-87e5-00b01948117b/how-to-avoid-localized-messages?forum=netfxsetup) where the answer is to not install .Net language packs.

In Windows 10 however, there seems to be no way to not install the .Net language pack when you add a windows display language, resulting in you either have to be 100% english or have an exception message language identical to the UI language in Windows.

How can one have a different display language in Windows 10, and keep english exceptions in the .Net code? 

So my needs is:

1. Local language as display language in Windows 10

2. English locale on error messages (not on date formatting number formatting etc).

This could previously be prevented by not installing the .Net language pack corresponding to the display language, but seems to be baked into the system with no way to circumvent.

Solutions by setting CurrentCulture and CurrentUICulture brings more problems along as a hacky workaround.

The other hacky workaround is using assemblybinding dummies: https://stackoverflow.com/questions/209133/exception-messages-in-english

None of these 2 methods are perfect. Is there a way for the needs above to be configured in Windows 10?



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Visual Studio does not detect .NET Framework 4

October 20, 2010, 7:20 am
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Hello, I have installed Visual Studio 2010 Professional, which also installed .NET Framework 4.

When I try to create a new project, it only gives me the option to use Frameworks 2, 3 and 3.5 . v4.0 does not appear on the drop down list.

Also, when I try opening a .NET Framework 4 project I get the "this project is targeting ".NET Framework=v4.0"" error.

I've used the tool to see if .NET Framework 4 is correctly installed, and it is!

I don't understand, I've uninstalled and installed Framework 4 and VS2010 a thousand times, clean installs and all and VS still does not detect that Framework 4 is installed. I've also tried installing the standalone version of Framework 4, but no dice. Please help, I'm desperate!

My system is Windows 7 x64 Home Premium, 8g ram, intel i7...

Thanks!

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Installing .NET 3.5 Offline - How to download installation media?

November 27, 2015, 10:32 am
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I am trying to automate the installation of the .NET Framework 3.5 on Windows Server 2012 R2 with the following PowerShell command:

Install-WindowsFeature -Name Net-Framework-Core -source C:\Downloads\source\sxs

My question is, how do I download the installation media for .NET 3.5 (the source\sxs folder)?

Any official Microsoft sources (see below) only give you the option of downloading an .exe file, not the actual installation bits.

http://www.microsoft.com/en-us/download/details.aspx?id=21)

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.NET Framework 3.5 or higher not installing with error code 0x80070002

February 13, 2019, 4:30 pm
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HI there

I have spent the last 4 days trying to install the free trial version of Web Expressions 4. I am using Widows 10. I am a college student and desperately need this program to complete my in class work or I will potentially fail this class. If I fail this class, I do not graduate this April. So as you an see, this is extremely important to me. Now, I decided to take it to IT on campus and he couldn't figure out why it would not install either, even though it does not list windows 10 as being supported. Get this, I am the ONLY PERSON in my class whose windows 10 laptop will not install Web Expressions 4. So the IT guy tried to install the compatibility software and it was taking FOREEEEEEEEEEEVEER. I was at 11% after 35 min and had to leave because I had an appointment with me academic adviser. So he book marked where to download it from and so her I am. I tried to download and install the same thing that he WAS installing (but we had to cancel because of my appointment) and now it won't install because it is telling me that I need to install .NET Framework 3.5. So I google that and go to download and install it and it tells me that it is already installed. So Then I go to install it it says "An App on your PC needs the following Windows Feature: .NET Framework 3.5 (includes 2.0 and 3.0). So, I click "Download and install this feature" and I get error code 2x80070002 "system can not find the file specified". 

Long story short, I keep being lead to this forum answer :

https://social.msdn.microsoft.com/forums/en-us/b3175c1d-1eae-414d-91c5-93bfbeba7bb7/net-framework-35-and-45-error-0x80070002?referrer=https://social.msdn.microsoft.com/forums/en-us/b3175c1d-1eae-414d-91c5-93bfbeba7bb7/net-framework-35-and-45-error-0x80070002?referrer=https://social.msdn.microsoft.com/forums/en-us/b3175c1d-1eae-414d-91c5-93bfbeba7bb7/net-framework-35-and-45-error-0x80070002?referrer=https://social.msdn.microsoft.com/forums/en-us/b3175c1d-1eae-414d-91c5-93bfbeba7bb7/net-framework-35-and-45-error-0x80070002?forum=netfxsetup

I have tried everything. It's not working. I need this for my bloody class and I am literally pulling my hair out. I don't know what I am doing wrong because thecompatibility tool was installing on campus and now it's not because I need .net framework and it's not installing because my pc can't find it....these two idiots on that forum are bantering back and forth and every time i search an answer on how to fix this issue with the installation of .NET framework, it leads me to that. And I a done reading the BS there because NOTHING is working and I am sick and tired of reading about the fighting.

Does anyone have any suggestions???? I am panicking!


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if 4.0+4.5 are compatible, why won't 4.0 using progs just work when 4.5 is already installed?

February 16, 2019, 12:18 am
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Here:

https://social.msdn.microsoft.com/Forums/en-US/4e2fce2d-f08f-49fd-a2f7-60822a58e4eb/can-net-40-45-or-461-all-be-installed-on-one-machine

The answer said installing 4.6 would block 4.5 and 4.0 as it includes them.

I'm having a problem with an app that wants to install 4.0, but when it runs, it gets an error saying it won't allow a downgrade from 4.5 -> 4.0.  That's fine -- except then the application won't continue the install.  So if 4.0 is in 4.5 and they are in 4.6, why do applications insist on rerunning a .net installer that will fail.  It's more than a bit frustrating -- especially since I ran into something like 5-6 installers recently (past couple of days) that force me to rerun either a 4.0 or 4.5 installer -- when supposedly 4.5 is already installed.  The installer doesn't return positive results when .net is already supposedly installed.

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الاصلاح الفوري غسالات هوفر ( 01114723434 ) غسالات هوفر (01125025360) التجمع الاول

February 16, 2019, 1:28 am
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اعطال صيانه غسالات هوفر (01114723434) اصلاح هوفر (01125025360) المقطم
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الاصلاح الفوري غسالات وستنجهاوس ( 01014723434 ) غسالات وستنجهاوس (01225025360) المندره

February 16, 2019, 1:29 am
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How do I uninstall .net 4.7.2 from Windows 2012 R2

January 31, 2019, 7:57 pm
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I need to uninstall .Net 4.7.2 from Windows Server 2012 R2.  I do not know how it got to this level.  I did not install it.  There is no KB UPDATE that installed it. I searched the list for all 4.7 KB's.   I am including screen shots from the registry and from Programs and features.   I am currently at version 4.5.1.

PROGRAMS & FEATURES



REGISTRY

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Block net framework 4.7.1

February 17, 2019, 2:47 am
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Hi

when try to install .net framework 4.7.1 in win 2012 r2 we get below error

Block issues:

software update kb054856 does not apply

any idea please ??

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.NET Framework 3.5 doesn't install. Windows 10.. Error code: 0x800F081F

January 10, 2016, 3:16 am
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When I try to enable the .NET Framework from windows features I got this message
Windows couldn't find required files to complete the requested changes. Make sure you're connected to the internet and try again.

Error code: 0x800F081F

(BTW the internet connection is fine, i think the problem may be in the update center)

I did every thing yet it still not working,

I already try this:

1- Installing .net3.5 from the installer and the package 

2-installing it from the command prompt
3- installing it from distribuion CD, mounted ISO, or folder Sources\sxs folder copied to hard drive (including using /LimitAccess switch).

4-from  *Windows features on or off* 

5- From the group police (then administrator then system then specify settings for opt.. ) I found that *contact windows update dir..* is enabled and ok

6-No success with DISM method of scanhealth & restorehealth, although these run OK.

7- many people say that i have to  Uninstall  KB2966826 and KB2966828, then try installing 3.5 from programs and features... but unfortunately I didn't find those updates -I neither found them in update history nor from control panel - 

the error i found every time is "the system cannot find the file specified error code 0x80070002"

Can any one helpd please, I really to fix it ASAP.


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How to install .Net Framework 3.5 on Windows Server 2012 R2 Datacenter

January 6, 2017, 11:49 pm
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Hello,

I have a Windows Server 2012 R2 Datacenter server and it has .Net Framework 4.5 installed on it. However, I am trying to install .Net Framework 3.5 on it, which is required for other application.

I tried to install it using Adding Roles and Features Wizard, when selected option .Net Framework 3.5 Features, it says "Do you need to specify alternate source path? One or more installation selections are missing source files..." and due to which it fails to install.

I have also tried with .Net package downloaded from https://www.microsoft.com/en-us/download/details.aspx?id=21 but it didn't worked. Also tried to install it by mounting Win 2012 ISO on the server and by specifying SxS folder location but still it didn't worked.

Please let me know if you know how to install it.

Thanks & Regards,

Manoj Kateja

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