Erro na instalação do Service Pack 4 - SQL 2005

Amigos, sou novato no forum e neste assunto "SQL", não sou da area de TI, porem estou com este problema quando tendo instalar a service pack 4.

Segue abaixo, uma parte do log do erro, por favor peço uma ajudinha

Obrigado

MSI (s) (54:A4) [18:23:45:399]: Opening existing patch 'C:\WINDOWS\Installer\30d629.msp'.

MSI (s) (54:A4) [18:23:45:399]: Note: 1: 2203 2: C:\WINDOWS\Installer\30d629.msp 3: -2147287038

MSI (s) (54:A4) [18:23:45:399]: Couldn't find local patch 'C:\WINDOWS\Installer\30d629.msp'. Looking for it at its source.

MSI (s) (54:A4) [18:23:45:399]: Resolving Patch source.

MSI (s) (54:A4) [18:23:45:399]: User policy value 'SearchOrder' is 'nmu'

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Media enabled only if package is safe.

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Looking for sourcelist for product {E53BF248-E903-4620-8C02-3BD1E5CC41F8}

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Adding {E53BF248-E903-4620-8C02-3BD1E5CC41F8}; to potential sourcelist list (pcode;disk;relpath).

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Now checking product {E53BF248-E903-4620-8C02-3BD1E5CC41F8}

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Media is enabled for product.

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Attempting to use LastUsedSource from source list.

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Trying source e:\7929b055d169a701899d\HotFixSQL\Files\.

MSI (s) (54:A4) [18:23:45:399]: Note: 1: 2203 2: e:\7929b055d169a701899d\HotFixSQL\Files\sqlrun_sql.msp 3: -2147287037

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Source is invalid due to missing/inaccessible package.

MSI (s) (54:A4) [18:23:45:399]: Note: 1: 1706 2: -2147483647 3: sqlrun_sql.msp

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Processing net source list.

MSI (s) (54:A4) [18:23:45:399]: Note: 1: 1706 2: -2147483647 3: sqlrun_sql.msp

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Processing media source list.

MSI (s) (54:A4) [18:23:45:399]: SOURCEMGMT: Resolved source to: 'sqlrun_sql.msp'

MSI (s) (54:A4) [18:24:15:650]: Note: 1: 1314 2: sqlrun_sql.msp

MSI (s) (54:A4) [18:24:15:650]: Unable to create a temp copy of patch 'sqlrun_sql.msp'.

MSI (s) (54:A4) [18:24:15:650]: Note: 1: 1708

MSI (s) (54:A4) [18:24:15:650]: Note: 1: 2729

MSI (s) (54:A4) [18:24:15:650]: Note: 1: 2729

MSI (s) (54:A4) [18:24:15:650]: Product: Microsoft SQL Server 2005 -- Installation failed.

MSI (s) (54:A4) [18:24:15:666]: MainEngineThread is returning 1635

Este pacote de patch não pôde ser aberto. Verifique se o pacote de patch existe e se você pode acessá-lo ou entre em contato com o fornecedor do aplicativo para verificar se este é um pacote de patch válido do Windows Installer.

D:\SQL2005\Setup\SQLRUN_SQL.MSI

MSI © (78:0C) [18:24:15:775]: Decrementing counter to disable shutdown. If counter >= 0, shutdown will be denied. Counter after decrement: -1

MSI © (78:0C) [18:24:15:775]: MainEngineThread is returning 1635

=== Verbose logging stopped: 10/2/2011 18:24:15 ===