Problems after installing SP2

After installing SP2, my Reporting Services does not work. I received the following message in the Summary:

Product : Reporting Services (MSSQLSERVER)
Product Version (Previous): 1399
Product Version (Final) :
Status : Failure
Log File : C:\Program Files\Microsoft SQL Server\90\Setup Bootstrap\LOG\Hotfix\RS9_Hotfix_KB921896_sqlrun_rs.msp.log
Error Number : 29528
Error Description : MSP Error: 29528 The setup has encountered an unexpected error while Setting reporting service and share point exclusion path. The error is: Fatal error during installation.

In the msp.log, I see the following:

Property(S): RS200532Hotfix3042 = e:\637303726034099d313316b7\HotFixRS\Files\sqlrun_rs.msp
MSI (s) (D4:90) [18:04:57:654]: Product: Microsoft SQL Server 2005 Reporting Services - Update 'Service Pack 2 for SQL Server Reporting Services 2005 ENU (KB921896)' could not be installed. Error code 1603. Additional information is available in the log file C:\Program Files\Microsoft SQL Server\90\Setup Bootstrap\LOG\Hotfix\RS9_Hotfix_KB921896_sqlrun_rs.msp.log.

MSI (s) (D4:90) [18:04:57:654]: Note: 1: 1729
MSI (s) (D4:90) [18:04:57:654]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:654]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (D4:90) [18:04:57:669]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:669]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:669]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (D4:90) [18:04:57:669]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:669]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (D4:90) [18:04:57:669]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:669]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (D4:90) [18:04:57:669]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:669]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (D4:90) [18:04:57:685]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:685]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:685]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (D4:90) [18:04:57:685]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:685]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (D4:90) [18:04:57:685]: Transforming table Error.

MSI (s) (D4:90) [18:04:57:685]: Note: 1: 2262 2: Error 3: -2147287038
MSI (s) (D4:90) [18:04:57:685]: Product: Microsoft SQL Server 2005 Reporting Services -- Configuration failed.

MSI (s) (D4:90) [18:04:57:685]: Attempting to delete file C:\WINDOWS\Installer\1da926.msp
MSI (s) (D4:90) [18:04:57:685]: Unable to delete the file. LastError = 32
MSI (s) (D4:90) [18:04:57:700]: Cleaning up uninstalled install packages, if any exist
MSI (s) (D4:90) [18:04:57:700]: MainEngineThread is returning 1603
MSI (s) (D4:9C) [18:04:57:700]: Destroying RemoteAPI object.
MSI (s) (D4:CC) [18:04:57:700]: Custom Action Manager thread ending.
=== Logging stopped: 3/8/2007 18:04:57 ===
MSI (c) (9C:08) [18:04:57:700]: Decrementing counter to disable shutdown. If counter >= 0, shutdown will be denied. Counter after decrement: -1
MSI (c) (9C:08) [18:04:57:700]: MainEngineThread is returning 1603
=== Verbose logging stopped: 3/8/2007 18:04:57 ===

Can anyone help?

which OS and RS edition are you using? Is it a fresh install or upgrade existing RS?