>>>What are the factors that can make an index fall out of step with its table, Can network etc cause this ?
>>
>>Mark,
>>What do you mean "fall out of step"? What type of symptoms are you having?
>>
>>-Ed
>>
>> Its Foxprox 2.6 , We had a power cut last monday, since then all Fox Dos processes have been running slow (very) some files are not reading at all & it seems the master table's index is not updating with the table

Have you tried reindexing your table?