Solve Win7 can not properly preview Word2010 document problem

Win7 system using Office2010 office software often has such a problem, click on the "Files" in the folder "Open", open the preview but display the previewer error, unable to preview the Word file. This feature should be able to view its contents. When you need to find a target document, you can use this function to avoid repeatedly opening and closing multiple documents, saving you a lot of time. So what is this all about? Is it a system failure or an issue with Office2010 office software? Let's solve this mystery for everyone!

More incredible is that Excel and PPT files The preview is normal. What happened?
Deliberation:
When previewing a file, the win7 system will call the default opener of this file type. When using Word2010's "File> Open ” command, because the Word program has been started, it is no longer possible to preview the Word file, so an error occurs.
Workaround:
How to solve this problem? Do you have to open a document to find the target file?
Non-or-no! Although the preview can not be used, you can also manage in Windows resources. Preview the file in the device.
Open Windows Explorer and on the right side of the toolbar, click the “Show Preview Pane” button.

Find the file you want to preview, click Select, and the preview pane will display the file contents.