Microsoft Corp. has decided not to appeal a ruling by a European Union (E.U.) judge that upholds sanctions imposed on the company by the European Commission, a spokesman for the firm confirmed on Monday.

Dirk Delmartino, corporate public relations manager for Microsoft Europe, Middle East and Africa, said that the company “decided to forgo its right to appeal against the Court of First Instance’s interim measures ruling of December 22, 2004.”

In December, the President of the E.U.’s Court of First Instance, Bo Vesterdorf, rejected a request from Microsoft to suspend sanctions ordered by the Commission for abusing the dominant market position of its Windows PC operating system.

The sanctions include forcing Microsoft to offer a version of Windows without Windows Media Player, publishing its APIs for its workgroup server software and paying a fine of