restoring content store

[winsonlee]

I am trying to restore my content store but during the process i go the following error. Do you know what is it due to ?

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Restoring...
Physical restore failed - ONCONFIG ROOTPATH:ROOTOFFSET 'C:\PROGRA~2\IBM\COGNOS~1
\ids_cs\dbspace_dat.000:0' differs from archive 'D:\temp\BACKUP~2\dbspace_dat.00
0:0'
Correct ONCONFIG before restoring this archive.

The process tried to write to a nonexistent pipe.
An error occured during the restore.
Make sure the "IBM Cognos Express" service and "Informix IDS - cm_ids_svr_custom
" service are stopped before performing a restore"