> I've done virus-scanning, adware checks, etc. > > Any other advice? > Pick a job that is running too slowly, and run 10046 trace on it. There are several tools available to analyze it, starting with tkprof. tkprof may provide you with enough ( more or less accurate ) information to pinpoint the problem, if the problem is slowly executing SQL. There are other pieces of information in the trace file as well. Try hotsos.com, ubtools.com and/or oraperf.com for detailed analysis of the file(s). HTH Jared -- //www.freelists.org/webpage/oracle-l