Hello Salim,
after updating the IDS with the latest version 4.1(4)S123, you need to update the IDS MC with the latest patch.
1) Download the MC service pack update ZIP file archive IDS-K9-sp-4.1-4-S123.zip to the /MDC/etc/ids/updates directory on the server
2) Start IDS MC from the CiscoWorks2000 Server desktop.
3) Select Configuration > Updates.
4) In the TOC, select Update Network IDS Signatures.
5. Select a file from the Update File list box and click Next.
6. Select the sensor(s) you want to update and click Next.
7. Enter a password for each sensor in the table and click Next.
8. Click Finish.
Do let us know if this solves.