Microsoft Search Encounters Glitches on First Day  SEATTLE (Reuters) - Microsoft Corp.'s &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=MSFT.O qtype=sym infotype=info qcat=news"&gt;MSFT.O&lt;/A&gt; widely  anticipated search engine, which launched in test mode on  Thursday, encountered some glitches on its first day, the  world's largest software maker said. 
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