Henrique Engelmann <henriqueengelmann@xxxxxxxxxxxx> writes: > We´re running 8.0.4 in a Windows XP box and some of the applications are not working... > Searching pg_log we´ve found the following messages: > 2005-12-17 07:26:54 ERROR: could not read block 3 of relation 1663/17253/104561: Permission denied > 2005-12-17 09:26:11 ERROR: could not read block 3 of relation 1663/17253/104561: Permission denied > What can be causing this error? We've heard of misbehaving "antivirus" products causing this sort of problem on Windows. What do you have installed on that machine? regards, tom lane