{"id":34978,"date":"2023-03-31T16:31:58","date_gmt":"2023-03-31T11:01:58","guid":{"rendered":"http:\/\/198.58.113.91\/blog\/?p=34978"},"modified":"2023-11-25T18:53:01","modified_gmt":"2023-11-25T13:23:01","slug":"error-0x80070490-net-framework-3-5","status":"publish","type":"post","link":"https:\/\/www.winhelponline.com\/blog\/error-0x80070490-net-framework-3-5\/","title":{"rendered":"How to Fix .NET Framework 3.5 Error 0x80070490"},"content":{"rendered":"

Several older programs require .NET Framework 3.5 to run. When you attempt to run a legacy program, it prompts you to install the framework. The prompt reads, “An app on your PC needs the following Windows feature: .NET Framework 3.5.”<\/p>\n

\"netx3<\/p>\n

When you install .NET Framework 3.5 (NetFx3) on demand, you may get the error 0x80070490. The full error message is below:<\/p>\n

Windows couldn't find required files to complete the requested changes. Make sure you're connected to Internet, and try again. Error code: 0x80070490.<\/pre>\n
\"netfx3<\/p>\n
The above error may occur even if you use the offline installers, DISM or PowerShell to install .NET Framework 3.5 optional feature. When you run the legacy program again, it says it needs .NET Framework 3.5, and the above message occurs again.<\/p>\n
RELATED:<\/strong> [Fix] DISM and .NET Framework 3.5 Error 0x800F081F<\/a><\/div>\n
You may have tried running the following DISM command to point directly to the SxS folder on the ISO or USB setup disk. It may again fail with the “Error 1168: Element Not Found<\/strong>” error.<\/p>\n
dism \/online \/enable-feature \/featurename:NetFX3 \/All \/Source:H:\\sources\\sxs \/LimitAccess<\/pre>\n
Installing the component via Windows Features throws the same error.<\/p>\n
Resolution<\/h2>\n
To install the .NET Framework 3.5 error without getting the error 0x80070490<\/strong>, follow of of the methods below:<\/p>\n
Method 1: Remove and then reinstall .NET Framework<\/h3>\n
First, run the following command to remove .NET Framework 3.5 completely.<\/p>\n
dism \/online \/disable-feature \/featurename:NetFX3<\/pre>\n
Restart Windows.<\/p>\n
Then run the following command to reinstall it:<\/p>\n
dism \/online \/enable-feature \/featurename:NetFX3 \/All<\/pre>\n
\n
Method 2: Install the .cab package from ISO<\/h3>\n
Get the latest Windows 10\/11 ISO<\/a> and double-click to mount the ISO to a drive letter – e.g., G:\\<\/p>\n
The “Sources\\Sxs” folder in the ISO contains the CAB file (“microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab”) needed to install .NET Framework 3.5.<\/p>\n
\"iso<\/p>\n
Open an admin<\/strong> Command Prompt window and run the following command:<\/p>\n
dism \/online \/Add-Package \/PackagePath:G:\\Sources\\SxS\\microsoft-windows-netfx3-ondemand-package~31bf3856ad364e35~amd64~~.cab<\/pre>\n
The above command should install .NET Framework 3.5 on the computer.<\/p>\n
RELATED:<\/strong> [Fix] .NET Framework 3.5 Error 0x800f0950 in Windows 10<\/a><\/div>\n
Then, open OptionalFeatures.exe and install NetFX3. Or, run the following command to install it:<\/p>\n
dism \/online \/enable-feature \/featurename:NetFX3 \/All \/Source:G:\\sources\\sxs \/LimitAccess<\/pre>\n
RELATED: How to Install .NET Framework 3.5 using local install source<\/a><\/em><\/p>\n
The above examples assume the ISO drive letter is G:. Make sure you use the correct drive letter for your computer.<\/p>\n","protected":false},"excerpt":{"rendered":"
Several older programs require .NET Framework 3.5 to run. When you attempt to run a legacy program, it prompts you to install the framework. The prompt reads, “An app on your PC needs the following Windows feature: .NET Framework 3.5.” When you install .NET Framework 3.5 (NetFx3) on demand, you may get the error 0x80070490. … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8,869],"tags":[160,191,366],"class_list":["post-34978","post","type-post","status-publish","format-standard","hentry","category-windows-10","category-windows-11","tag-dism","tag-error-messages","tag-optionalfeatures"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":6313,"url":"https:\/\/www.winhelponline.com\/blog\/net-framework-3-5-error-0x800f0950-windows-10-dism\/","url_meta":{"origin":34978,"position":0},"title":"[Fix] .NET Framework 3.5 Error 0x800f0950 in Windows 10\/11","author":"Ramesh","date":"July 21, 2018","format":false,"excerpt":".NET Framework is a software framework used by many Windows applications. Some programs developed on a specific version of Visual Studio require a particular version of the .NET Framework.\u00a0Many companies develop their apps to run using the .NET Framework, and these apps target a specific version. If you see this\u2026","rel":"","context":"In "Windows 10"","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":".net framework error 0x800f0950","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/07\/netfx-0x800f0950.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/07\/netfx-0x800f0950.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/07\/netfx-0x800f0950.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/07\/netfx-0x800f0950.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":80283,"url":"https:\/\/www.winhelponline.com\/blog\/fix-net-framework-3-5-error-0x800f080c\/","url_meta":{"origin":34978,"position":1},"title":"How to Fix .NET Framework 3.5 Error 0x800F080C","author":"Ramesh","date":"February 20, 2026","format":false,"excerpt":"When you install the .NET Framework 3.5 using DISM in Windows 10 or 11, you may encounter error 0x800F080C. The full error message is below: Error: 0x800f080c Feature name NetFX3 is unknown. A Windows feature name was not recognized. Use the \/Get-Features option to find the name of the feature\u2026","rel":"","context":"In "Windows 10"","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"iso netfx3 cab.","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/03\/netfx-80070490-cab-iso.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/03\/netfx-80070490-cab-iso.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/03\/netfx-80070490-cab-iso.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":6011,"url":"https:\/\/www.winhelponline.com\/blog\/dism-restorehealth-error-0x800f081f-windows-10\/","url_meta":{"origin":34978,"position":2},"title":"[Fix] DISM and .NET Framework 3.5 Error 0x800F081F","author":"Ramesh","date":"December 9, 2017","format":false,"excerpt":"When running the following DISM command, the error 0x800F081F may appear in some systems. The same error occurs when installing the .NET Framework in Windows 10. Dism \/Online \/Cleanup-Image \/RestoreHealth Error: 0x800f081f The source files could not be found. Use the \"Source\" option to specify the location of the files\u2026","rel":"","context":"In "Windows 10"","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"dism restorehealth wim success","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2017\/12\/dism-wim-success.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2017\/12\/dism-wim-success.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2017\/12\/dism-wim-success.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2017\/12\/dism-wim-success.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":6740,"url":"https:\/\/www.winhelponline.com\/blog\/error-0x800f0954-net-framework-3-5-optional-feature-dism\/","url_meta":{"origin":34978,"position":3},"title":"[Fix] Error 0x800F0954 Installing .NET Framework 3.5 or Any Optional Feature","author":"Ramesh","date":"November 6, 2018","format":false,"excerpt":"When you attempt to install .NET Framework 3.5 or any other optional feature using \"Windows Features\" (optionalfeatures.exe) dialog or using DISM command-line, error 0x800F0954 may popup. After enabling .NET Framework 3.5 and clicking OK, the following error may appear: Windows couldn't complete the requested changes. 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When\u2026","rel":"","context":"In "Windows 10"","block_context":{"text":"Windows 10","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-10\/"},"img":{"alt_text":"media features pack FOD error 0x8070490","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/09\/mediafeatures-error-490.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/09\/mediafeatures-error-490.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/09\/mediafeatures-error-490.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":59646,"url":"https:\/\/www.winhelponline.com\/blog\/install-feature-on-demand-package-offline\/","url_meta":{"origin":34978,"position":5},"title":"How to Install a Feature On Demand (FOD) Package Offline","author":"Ramesh","date":"July 23, 2023","format":false,"excerpt":"Features on Demand (FODs) are Windows features that can be added anytime. Standard features include language resources like handwriting recognition or other features like the .NET Framework (.NetFx3). When Windows 10, 11, or Windows Server needs a new feature, it can request the feature package from Windows Update. 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