Power Builder - Problemas con ASE 12.5... ayuda por favor

Hola a todos:

Resulta que tengo que instalar el ASE 12.5 PC CLIENT... pero al hacerlo me manda este error:

(22/09/2010 05:03:38 PM), Setup.product.install, com.sybase.ismp.ase.wizardbean.SetupLogWizardAction, sis, Sybase ASE InstallShield Installer/1.0/P/Wed May 14 11:57:23 PDT 2003
(22/09/2010 05:03:38 PM), Setup.product.install, com.sybase.ismp.ase.wizardbean.SetupLogWizardAction, sis,
log4j.configuration=internally configured
(22/09/2010 05:20:21 PM), Setup.product.install, com.installshield.product.actions.Files, err, java.util.zip.ZipException: incorrect data check
STACK_TRACE: 16
java.util.zip.ZipException: incorrect data check
at com.installshield.archive.index.ISInflaterInputStream.read(CompressedURLConnection.java:174)
at java.io.FilterInputStream.read(Unknown Source)
at com.installshield.product.actions.Files.copy(Files.java:926)
at com.installshield.product.actions.Files.copyFileWithFileService(Files.java:966)
at com.installshield.product.actions.Files.install(Files.java:453)
at com.installshield.product.service.product.PureJavaProductServiceImpl.installProductAction(PureJavaProductServiceImpl.java:1916)
at com.installshield.product.service.product.PureJavaProductServiceImpl$InstallProduct.getResultForProductAction(PureJavaProductServiceImpl.java:5189)
at com.installshield.product.service.product.InstallableObjectVisitor.visitComponent(InstallableObjectVisitor.java:369)
at com.installshield.product.service.product.InstallableObjectVisitor.visitInstallableComponents(InstallableObjectVisitor.java:333)
at com.installshield.product.service.product.InstallableObjectVisitor.visitProductBeans(InstallableObjectVisitor.java:133)
at com.installshield.product.service.product.PureJavaProductServiceImpl$InstallProduct.install(PureJavaProductServiceImpl.java:4563)
at com.installshield.product.service.product.PureJavaProductServiceImpl$Installer.execute(PureJavaProductServiceImpl.java:3758)
at com.installshield.wizard.service.AsynchronousOperation.run(AsynchronousOperation.java:41)
at java.lang.Thread.run(Unknown Source)

(22/09/2010 05:20:51 PM), Setup.product.install, com.installshield.product.actions.MoveFile, err, Se ha producido un error y la instalación del producto ha fallado: Consulte el archivo de registro C:\sybase\log.txt para obtener más detalles.
(22/09/2010 05:20:51 PM), Setup.product.install, com.installshield.product.actions.MoveFile, err, ProductException: (error code = 601; message="err"; additional data = [C:\sybase\OCS-12_5\ini\libtcl.cfg.installed is not an existing file])
STACK_TRACE: 12
ProductException: (error code = 601; message="err"; additional data = [C:\sybase\OCS-12_5\ini\libtcl.cfg.installed is not an existing file])
at com.installshield.product.actions.MoveFile.install(MoveFile.java:42)
at com.installshield.product.service.product.PureJavaProductServiceImpl.installProductAction(PureJavaProductServiceImpl.java:1916)
at com.installshield.product.service.product.PureJavaProductServiceImpl$InstallProduct.getResultForProductAction(PureJavaProductServiceImpl.java:5189)
at com.installshield.product.service.product.InstallableObjectVisitor.visitComponent(InstallableObjectVisitor.java:369)
at com.installshield.product.service.product.InstallableObjectVisitor.visitInstallableComponents(InstallableObjectVisitor.java:333)
at com.installshield.product.service.product.InstallableObjectVisitor.visitProductBeans(InstallableObjectVisitor.java:133)
at com.installshield.product.service.product.PureJavaProductServiceImpl$InstallProduct.install(PureJavaProductServiceImpl.java:4563)
at com.installshield.product.service.product.PureJavaProductServiceImpl$Installer.execute(PureJavaProductServiceImpl.java:3758)
at com.installshield.wizard.service.AsynchronousOperation.run(AsynchronousOperation.java:41)
at java.lang.Thread.run(Unknown Source)

(22/09/2010 05:20:51 PM), Setup.product.install, com.installshield.wizard.platform.win32.Win32ProductServiceImpl, wrn, Parent Component with UID = 797f2eb26d68ab265a4adc1f0443ecc6 of installed Component with displayName = Connectivity was not found in the VPD.
(22/09/2010 05:20:51 PM), Setup.product.install, com.installshield.wizard.platform.win32.Win32ProductServiceImpl, wrn, Parent Component with UID = 797f2eb26d68ab265a4adc1f0443ecc6 of installed Component with displayName = Language Modules was not found in the VPD.
(22/09/2010 05:20:51 PM), Setup.product.install, com.installshield.wizard.platform.win32.Win32ProductServiceImpl, wrn, Parent Component with UID = 797f2eb26d68ab265a4adc1f0443ecc6 of installed Component with displayName = JRE 1.1.8 was not found in the VPD.
(22/09/2010 05:20:54 PM), Setup.product.install, com.sybase.ismp.ase.wizardbean.Log4jAppender, sis,
(wizardbean.CopyFileWizardAction) - ServiceException: (error code = -30017; message = "El sistema no puede encontrar la ruta especificada.
(3)"; severity = 0)

tengo a Windows Vista y no he podid instalarlo, gracias por su ayuda me es urgente.