When you open a .zip file (Compressed folder) in Windows and attempt to extract or copy its contents to a folder, error
0x80004005 (unspecified error) may appear. Here is the full error message verbatim:
An unexpected error is keeping you from copying the file. If you continue to receive this error, you can use the error code to search for help with this problem.
Error 0x80004005: Unspecified error
And, if you double-click a file inside the .zip archive to open it directly without extracting it first, you’ll see this error message:
Compressed (zipped) Folders Error
Windows cannot complete the extraction.
The destination file could not be created.
This article explains what causes the error
0x80004005 when copying or extracting Zip archives, and how to workaround it.
The above error messages appear if the .zip file is compressed or encrypted using an algorithm which Windows doesn’t support. Windows supports Deflate, Deflate64 compression methods.
If the .zip file was originally compressed using BZip2, LZMA, PPMd or any other mechanism, Windows’ default compressed files handler will throw the error
0x80004005 as it doesn’t know how to unpack those files.
Likewise, Windows 10 (and earlier systems) doesn’t support AES-256 encryption method. Attempting to open an AES-256 encrypted password protected file in Windows would cause error
0x80004005. Windows supports ZipCrypto & AES-128 encryption methods though.
Workaround for Zip Files Error 0x80004005
If you’re using Windows .zip (Compressed folder) handler to view or extract compressed files and facing error
0x80004005, then you’ll need to use a third-party archive tool like 7-Zip, WinRar or WinZip to open that file.
Those third-party tools support several different compression as well as encryption methods, and you should be able to extract the files successfully.
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About the author
Ramesh Srinivasan founded Winhelponline.com back in 2005. He is passionate about Microsoft technologies and he has been a Microsoft Most Valuable Professional (MVP) for 10 consecutive years from 2003 to 2012.