Hi,
Attach the following file here:
1. work process trace file dev_w0, dev_disp, dev_rd
2. Also review your alertSID.log file should be located /oracle/SID/saptrace/diag/rdbms/sid/SID/trace/alertSID.log
Before doing number 3 please attach the request logs here.
3. Do the following:
sqlplus "/as sysdba"
alter system set log_archive_dest = null scope=spfile;
alter system set log_archive_dest_1 = 'location=C:\oracle\DEV\oraarch\DEVarch' scope=spfile;
alter system set log_archive_dest='' scope=spfile;
shutdown;
startup;
Kind Regards,