Sharepoint cannot run windows sharepoint services on this page Upload.aspx

Description:
When try to upload multiple document on a document library, you received this error “Sharepoint cannot run windows sharepoint services on this page Upload.aspx”
Resolution:

This issue might be caused by the modification of upload.aspx located in C:\program files\common files\Microsoft shared\web server extensions\12\TEMPLATE\layouts.
Open your copy of upload.aspx and search for <input TYPE="hidden" NAME="_charset_" VALUE="utf-8"><!--webbot bot="FileUpload" endspan i-checksum="45034" -->
Update the following string as follows<input TYPE="hidden" NAME="Cmd" VALUE="Save"><!--webbot bot="FileUpload" endspan  -->
Save your file.
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