When you double-click a library to view the contents, the following error may occur.<\/p>\n
“<libraryname>.library-ms” is no longer working.<\/div>\n
For example, the following error may occur when opening Documents<\/b> library<\/p>\n“Documents.library-ms” is no longer working.<\/div>\n
This library can be safely deleted from your computer. Folders that have been included will not be affected.<\/div>\n
![](\"https:\/\/www.winhelponline.com\/blog\/wp-content\/uploads\/archived\/w7-library-err-1.png\")
<\/p>\n
Similarly when opening the Music, Pictures or Videos library<\/p>\n
“Music.library-ms” is no longer working.<\/div>\n
“Pictures.library-ms” is no longer working.<\/div>\n
“Videos.library-ms” is no longer working.<\/div>\n
To fix this problem, open Windows Explorer, right-click on the corresponding library and choose Delete<\/b>. Click Yes<\/b> when asked for confirmation.<\/p>\n
Note: <\/b>Deleting a library does not delete the contents of the included folders. However, you may need to include your folders manually, if needed.<\/i><\/p>\n
Then, in the navigation pane of Windows Explorer, right-click Libraries and click Restore default libraries<\/b>.<\/p>\n
This recreates the library that was deleted earlier. This option only restores the default libraries.<\/p>\n","protected":false},"excerpt":{"rendered":"
When you double-click a library to view the contents, the following error may occur. “<libraryname>.library-ms” is no longer working. For example, the following error may occur when opening Documents library “Documents.library-ms” is no longer working. This library can be safely deleted from your computer. Folders that have been included will not be affected. Similarly when … 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":[9],"tags":[191],"class_list":["post-952","post","type-post","status-publish","format-standard","hentry","category-windows-7","tag-error-messages"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":17712,"url":"https:\/\/www.winhelponline.com\/blog\/api-ms-win-crt-heap-l1-1-0-dll-runtime-is-missing-error\/","url_meta":{"origin":952,"position":0},"title":"Fix: Api-ms-win-crt-heap-l1-1-0.dll or api-ms-win-crt-runtime-l1-1-0.dll is missing","author":"Ramesh","date":"August 1, 2020","format":false,"excerpt":"When you run a program on a computer running Windows 8.1 or earlier, you may see an error denoting that the module api-ms-win-crt-heap-l1-1-0.dll or api-ms-win-crt-runtime-l1-1-0.dll is missing. Here's the full error message verbatim: The program can't start because api-ms-win-crt-heap-l1-1-0.dll is missing from your computer. Try reinstalling the program to fix\u2026","rel":"","context":"In "Windows"","block_context":{"text":"Windows","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/"},"img":{"alt_text":"api-ms-win-crt-heap-l1-1-0.dll missing","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2020\/08\/api-ms-win-crt-runtime-dll-missing-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2020\/08\/api-ms-win-crt-runtime-dll-missing-2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2020\/08\/api-ms-win-crt-runtime-dll-missing-2.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":80375,"url":"https:\/\/www.winhelponline.com\/blog\/api-ms-win-core-winrt-l1-1-0-dll-is-missing\/","url_meta":{"origin":952,"position":1},"title":"[Fix] api-ms-win-core-winrt-l1-1-0.dll is missing (Adobe Acrobat Reader)","author":"Ramesh","date":"March 2, 2026","format":false,"excerpt":"Since the Feb 2026 update of Adobe Acrobat Reader, Windows 7 users receive the following error when opening a PDF or the Adobe Acrobat Reader app. You wonder how to get the missing api-ms-win-core-winrt-l1-1-0.dll file. AcroRd32.exe - System Error The program can't start because api-ms-win-core-winrt-l1-1-0.dll is missing from your computer.\u2026","rel":"","context":"In "Windows 7"","block_context":{"text":"Windows 7","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-7\/"},"img":{"alt_text":"adobe reader update scheduled task - stop and disable","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2026\/03\/disable_adobe_update_task.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2026\/03\/disable_adobe_update_task.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2026\/03\/disable_adobe_update_task.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2026\/03\/disable_adobe_update_task.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":6078,"url":"https:\/\/www.winhelponline.com\/blog\/fix-vcruntime140-dll-missing-error-windows\/","url_meta":{"origin":952,"position":2},"title":"[Fix] Missing VCRUNTIME140.DLL, VCRUNTIME140_1.DLL, MSVCP140.DLL","author":"Ramesh","date":"January 1, 2018","format":false,"excerpt":"On your Windows 10 or 11 computer, a 3rd party program (e.g., Epic Games) may throw the error that the module VCRUNTIME140.DLL, VCRUNTIME140_1.DLL, or MSVCP140.dll is missing from the computer. Here are the error messages which you may encounter: The program can't start because VCRUNTIME140.dll is missing from your computer.\u2026","rel":"","context":"In "Windows"","block_context":{"text":"Windows","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/"},"img":{"alt_text":"powertoys runtime files","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/01\/runtimes-powertoys.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/01\/runtimes-powertoys.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/01\/runtimes-powertoys.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2018\/01\/runtimes-powertoys.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1345,"url":"https:\/\/www.winhelponline.com\/blog\/restore-missing-hidden-libraries-windows-7\/","url_meta":{"origin":952,"position":3},"title":"How to Restore Missing or Hidden Libraries in Windows 7","author":"Ramesh","date":"January 6, 2015","format":false,"excerpt":"When you open Explorer, all the libraries may be missing, and clicking the \"Restore default libraries\" context menu option would have no effect. For reasons unexplained, in some cases, the libraries may become hidden, and all you need to do is to remove the hidden attribute set from the \"library-ms\"\u2026","rel":"","context":"In "Windows 7"","block_context":{"text":"Windows 7","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-7\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/archived2\/librares-hidden.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1147,"url":"https:\/\/www.winhelponline.com\/blog\/fix-libraries-empty-hidden-restore-windows7\/","url_meta":{"origin":952,"position":4},"title":"Fix Libraries are Hidden and Showing Up Empty in Windows 7","author":"Ramesh","date":"June 25, 2010","format":false,"excerpt":"When you open Windows Explorer on your Windows 7 computer, the Libraries folder may be completely empty. Also, nothing may happen when you right-click the \"Libraries\" link in the navigation pane, and choose Restore default libraries. This can happen if the library files are hidden inadvertently by the user. To\u2026","rel":"","context":"In "Windows 7"","block_context":{"text":"Windows 7","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/windows-7\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/archived\/w7-lib-1.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/archived\/w7-lib-1.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/archived\/w7-lib-1.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":6061,"url":"https:\/\/www.winhelponline.com\/blog\/fix-api-ms-win-core-libraryloader-l1-1-1-dll-missing-error-windows-10-upgrade\/","url_meta":{"origin":952,"position":5},"title":"Fix: Api-ms-win-core-libraryloader-l1-1-1.dll Missing Error During Windows 10 Upgrade","author":"Ramesh","date":"December 26, 2017","format":false,"excerpt":"When you try to upgrade to Windows 10 from a Windows 7 computer using the Windows 10 Update Assistant tool, the following error may pop up: Windows10UpgraderApp.exe - System Error The program can't start because api-ms-win-core-libraryloader-l1-1-1.dll is missing from your computer. Try reinstalling the program to fix this problem. 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