Some Win10 and Win11 users have encountered file copying and saving problems, and Microsoft officially confirmed the situation

Microsoft officials recently confirmed an issue affecting some Windows 10 and Windows 11 users. According to the Windows Health Dashboard updated by Microsoft on May 27, this problem is related to applications that call the CopyFile API. The main symptom is the inability to copy, save and import files when using Win32 applications, especially when using network shares. Among the affected users, some who use 32-bit Microsoft Office applications such as Word and Excel may also experience an inability to copy and save files, and the error message will appear as "Document not saved." Additionally, those Windows devices that use certain commercial or enterprise security software with "extended file attributes" are more susceptible to this issue. However, it is relatively rare for users who use Windows devices in personal or unmanaged business environments to be troubled by this issue

As far as the editor knows, Microsoft has released the KB5027231 Windows 11 cumulative update to solve this problem issue and provides a Known Issue Rollback (KIR) scenario to fix the same issue occurring on Windows 10. In this way, affected users can solve the troubles when copying, saving and importing files

Microsoft confirmed this issue and took corresponding fixes, which will help improve users' experience when using Win32 application experience and reduce the risk of data loss that may occur due to the inability to copy, save, and import files. Users can solve this problem in time according to the updates and repair solutions provided by Microsoft to ensure that their work and personal files are effectively protected

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