{"id":77899,"date":"2025-02-15T15:37:54","date_gmt":"2025-02-15T10:07:54","guid":{"rendered":"http:\/\/198.58.113.91\/blog\/?p=77899"},"modified":"2026-03-09T13:35:38","modified_gmt":"2026-03-09T08:05:38","slug":"appvisvsubsystems64-0xc000012f-office","status":"publish","type":"post","link":"https:\/\/www.winhelponline.com\/blog\/appvisvsubsystems64-0xc000012f-office\/","title":{"rendered":"0xc000012f – AppvIsvSubsystems64.dll Error Launching Office apps"},"content":{"rendered":"

When you launch Office apps such as Word, Excel, or PowerPoint, the “Bad Image” error appears with the error code 0xc000012f.<\/p>\n

Here’s the full error message.<\/p>\n

WINWORD.EXE - Bad Image\r\n\r\nC:\\Program Files\\Microsoft Office\\root\\Office16\\AppVIsvSubsystems64.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support. Error status 0xc000012f.\r\n<\/pre>\n
EXCEL.EXE - Bad Image\r\n\r\nC:\\Program Files\\Microsoft Office\\root\\Office16\\AppVIsvSubsystems64.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support. Error status 0xc000012f.\r\n<\/pre>\n
\"Office<\/p>\n
You may find the following error if the target DLL is missing.<\/p>\n
WINWORD.EXE - System Error\r\n\r\nThe code execution cannot proceed because AppVIsvSubsystems64.dll was not found. Reinstalling the program may fix this problem.\r\n<\/pre>\n
Cause<\/h2>\n
The error code 0xc000012f (“STATUS_INVALID_IMAGE_NOT_MZ”) denotes, “The specified image file did not have the correct format. it did not have an initial MZ.”<\/p>\n
AppVIsvSubsystems64.dll (for Office 64-bit) and AppVIsvSubsystems32.dll (for Office 32-bit) are Office modules. The following path is a symbolic link:<\/p>\n
C:\\Program Files\\Microsoft Office\\root\\Office16\\AppVIsvSubsystems64.dll<\/pre>\n
which points to the following file:<\/p>\n
C:\\Program Files\\Common Files\\Microsoft Shared\\ClickToRun\\AppvIsvSubsystems64.dll<\/pre>\n
RELATED:<\/strong> Error 0xc000012f “Bad Image” When Running a Program<\/a><\/div>\n
Resolution<\/h2>\n
Option 1: Copy the DLL from another computer<\/h3>\n
If you have another Windows computer running the same version of Office, you can copy the above DLL from that system.<\/p>\n
Download AppvIsvSubsystems64.dll<\/a> (zipped)<\/p>\n
File info<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
File name<\/td>\nAppvIsvSubsystems64.dll<\/td>\n<\/tr>\n
Verified<\/td>\nSigned<\/td>\n<\/tr>\n
Signing date<\/td>\n9:29 PM 3\/10\/2025<\/td>\n<\/tr>\n
Publisher<\/td>\nMicrosoft Corporation<\/td>\n<\/tr>\n
Company<\/td>\nMicrosoft Corporation<\/td>\n<\/tr>\n
Description<\/td>\nClient Virtualization Subsystems<\/td>\n<\/tr>\n
Product<\/td>\nMicrosoft Office<\/td>\n<\/tr>\n
Prod version<\/td>\n16.0.19725.20014<\/td>\n<\/tr>\n
File version<\/td>\n16.0.19725.20014<\/td>\n<\/tr>\n
MachineType<\/td>\n64-bit<\/td>\n<\/tr>\n
Binary Version<\/td>\n16.0.19725.20014<\/td>\n<\/tr>\n
Original Name<\/td>\nAppVISVSubsystems64.dll<\/td>\n<\/tr>\n
Internal Name<\/td>\nAppVISVSubsystems64<\/td>\n<\/tr>\n
SHA256<\/td>\nE0F8D74A0A2FAEFD48BEE85D31B83CEAE2F4DECE7C1B598657D7ADE2A1D4B038<\/td>\n<\/tr>\n
VT detection<\/td>\n0\/76<\/td>\n<\/tr>\n
VT link<\/td>\nVirusTotal Results<\/a><\/td>\n<\/tr>\n<\/table>\n
\n
Option 2: Repair Office<\/h3>\n
Perform an online repair of your Office installation to resolve the issue.<\/p>\n
Launch the Control Panel.<\/p>\n
Choose Uninstall a program.<\/p>\n
Find Microsoft Office on your program list and click on it. For example, it may be “Microsoft 365 en-us”.<\/p>\n
Choose Change<\/strong> from the toolbar at the top of the program list.<\/p>\n
Select “Online repair<\/strong>“.<\/p>\n
\"office<\/p>\n
Click Repair<\/strong>.<\/p>\n
\n
Option 3: Uninstall and reinstall Office<\/h3>\n
If the repair doesn’t fix the issue, uninstall Office using the tool below:<\/p>\n
https:\/\/aka.ms\/SaRA-officeUninstallFromPC<\/a><\/p>\n
Once done, reinstall Office.<\/p>\n
Download, install, or reinstall Microsoft 365, Office 2024, or Office 2021<\/a><\/p>\n
Download and install or reinstall Office 2019, Office 2016, or Office 2013<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
When you launch Office apps such as Word, Excel, or PowerPoint, the “Bad Image” error appears with the error code 0xc000012f. Here’s the full error message.<\/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":[5,7],"tags":[191],"class_list":["post-77899","post","type-post","status-publish","format-standard","hentry","category-office","category-windows","tag-error-messages"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":5845,"url":"https:\/\/www.winhelponline.com\/blog\/error-0xc000012f-bad-image-fix-corrupt-files\/","url_meta":{"origin":77899,"position":0},"title":"Error 0xc000012f “Bad Image” When Running a Program","author":"Ramesh","date":"November 2, 2017","format":false,"excerpt":"When you run a program in Windows, error 0xc000012f may pop up, mentioning that the binary you're trying to run is corrupted. 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EpicGamesLauncher.exe -\u2026","rel":"","context":"In "Windows"","block_context":{"text":"Windows","link":"https:\/\/www.winhelponline.com\/blog\/category\/microsoft\/windows\/"},"img":{"alt_text":"file copy dll replace epicgameslauncher","src":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/07\/epicgameslauncher-error-fix-3.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/07\/epicgameslauncher-error-fix-3.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.winhelponline.com\/blog\/wp-content\/uploads\/2023\/07\/epicgameslauncher-error-fix-3.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":80420,"url":"https:\/\/www.winhelponline.com\/blog\/c2r64-dll-0xc000012f-office-apps\/","url_meta":{"origin":77899,"position":2},"title":"0xc000012f \u2013 c2r64.dll Error Launching Office apps","author":"Ramesh","date":"March 9, 2026","format":false,"excerpt":"When you open an Office app, such as Excel, Outlook, Word, PowerPoint, or OneNote, you may get an error message regarding the file c2r64.dll. 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