The closure of hundreds of competing video stores has apparently not driven many consumers to Blockbuster outlets. On Thursday the video renter posted a quarterly loss from continuing operations of $34.8 million, rising from a $23-million loss during the comparable quarter a year ago. The figures were considerably worse than expected. There was one bright spot in the quarterly report: subscribers to its online rental service dropped to 3.1 million from 3.6 million a year ago, with most of the lost subscribers presumably moving to NetFlix. "Our goal is to continue to increase our membership base by providing even more ways for customers to get the entertainment they want through our stores, through the mail and through new technologies," Blockbuster CEO Jim Keyes said in a statement.