The company suffered when the technology bubble burst, dropping out of the FTSE 100 and having to issue a profit warning in 2001.

BBC: Profile: Autonomy

It is the latest technology company to issue a profit warning and it blamed the weakness of the telecoms sector for its poor performance.

BBC: 3Com warns on profits

In January, Manganese Bronze had to issue a profit warning, saying that it had made no profit in 2011 and could fall short of expectations this year.

BBC: Manganese Bronze to call in administrators