安装cognos8.4错误，内容存储器无法安装，请高手帮忙！

这是log文档里的内容：

java.lang.RuntimeException: The service "IBM Cognos Content Database" did not start successfully after 120 seconds

Stack Trace:
com.ibm.cognos.express.installer.ia.custom.ContentStoreServiceCheck.install(ContentStoreServiceCheck.java:57)
com.zerog.ia.installer.actions.CustomAction.installSelf(DashoA10*..)
com.zerog.ia.installer.InstallablePiece.install(DashoA10*..)
com.zerog.ia.installer.InstallablePiece.install(DashoA10*..)
com.zerog.ia.installer.InstallablePiece.install(DashoA10*..)
com.zerog.ia.installer.GhostDirectory.install(DashoA10*..)
com.zerog.ia.installer.InstallablePiece.install(DashoA10*..)
com.zerog.ia.installer.Installer.install(DashoA10*..)
com.zerog.ia.installer.actions.InstallProgressAction.n(DashoA10*..)
com.zerog.ia.installer.actions.ProgressPanelAction$1.run(DashoA10*..)
Status: FATAL ERROR
Additional Notes: FATAL ERROR - Database Error

Custom Action: com.ibm.cognos.express.installer.ia.custom.ContentStoreServiceCheck
Status: SUCCESSFUL

C:UsersAppDataLocalTempI1295580822Windows>cd /D C:Program Files (x86)IBMCognos Developerbin

C:Program Files (x86)IBMCognos Developerbin>derby.bat start 9301
create content store database
The IBM Cognos Content Database 22441534 service is starting.
The IBM Cognos Content Database 22441534 service was started successfully.

errorlevel before exit script 0
:
Status: FATAL ERROR
Additional Notes: FATAL ERROR - An error occured during content store installation.