Microsoft has "patched" a security upgrade for Excel after problems arise when users install an update on January 9, making it impossible to open some files created from Excel 2000.

According to Microsoft representatives, the problem affects certain versions of Excel 2000 that are configured to support default Asian languages. '

Announcing on January 18 by Microsoft, Excel users will not be able to open some Excel files after they install the security upgrade MS07-002 if configuring the Excel execution mode in Japanese language - Korean, or Korean.

" This error has arisen due to how the phonetic information is processed in the files created from the Excel executable mode in Korean, Chinese or Japanese language ", Microsoft notice said.

The security bulletin MS07-002 has patched five vulnerabilities in Excel, and is classified as serious. This newsletter is one of four security updates that Microsoft issued on January 9.