Computer titan Microsoft is under increasing pressure from the European Union to comply with its anti-trust rulings.

EU authorities have given the company until the end of May to provide details as to how it will comply with the March 2004 competition ruling, or face massive daily fines.

The long-running dispute hinges on Microsoft's alleged foot-dragging in providing information to producers of coordinated products that will enable their programs to interface with Windows operating software.

The EU is also doubtful whether the version of Windows without its Media Player component - forced on Microsoft under its settlement with anti-trust regulators - is technically up to scratch.

Under EU rules Microsoft could be fined up to 5% of its daily global turnover for each day that a decision is not applied to the authorities' satisfaction.

A Microsoft spokesman in Brussels says the company will "continue to work with the commission towards an agreement on full compliance with the decision".

Data sourced from BBC Online; additional content by WARC staff