Do you have set a relation between the cursors?
Try adding GO TOP before the LOCATE in question.

>Hi Zaltan:
>
>For some reason the SCAN works for the first row of the table and makes the changes. After that, in the Locate for line, the value of RefDocsWithAddres = 0, and nothing gets changed after that in the RefDocsWithAddress table.
>
>>

>>LOCAL loRefDocsAddy
>>SET EXACT ON
>>
>>IF !USED('RefDocsAddy') THEN
>>  USE RefDocsAddy IN 0
>>ENDIF
>>
>>IF !USED('RefDocsWithAddress') THEN
>>  USE RefDocsWithAddress IN 0
>>ENDIF
>>
>>SELECT RefDocsAddy
>>SCAN
>>  SCATTER NAME loRefDocsAddy MEMO
>>  SELECT RefDocsWithAddress
>>  Locate For RefDocsWithAddress.Number = loRefDocsAddy.Number
>>  IF Found() THEN
>>    Replace Speciality WITH loRefDocsAddy.Speciality, Location WITH loRefDocsAddy.City
>>  ENDIF
>>  SELECT RefDocsAddy
>>ENDSCAN
>>

HTH