I am struggling since yesterday regarding the error, first my SSMS expired for some reason & i was not able to get it working. I was not abel to unstall all the soofware related to SQL Server & it shared components, I was removing it successfully & i was getting the same error after reinstalling MS Sql server 2008 r2 express & SSMS you trial version has expired. At last i messed up everything by forcing MS SQL SERVER & its component when i removed it with CClearner as suggested in one of the article. An now i am not able to install any version of MS SQL Server whether it be SQL Server 2008, MS SQL SERVER 2008 Express or MS SQL SERVER 2008 Re Express edition i get following message for all the version as show in image below\ ![enter image description here][1] [1]: https://i.sstatic.net/YhGoA.png I am not sure what to do either i reinstall windows 7 or try to search further for solution which i would prefer as i had several software installed on my system & it will take me day or so to install all software. I would appreciate help regarding this Log error reporter under file folder `C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log` Summary.txt Overall summary: Final result: SQL Server installation failed. To continue, investigate the reason for the failure, correct the problem, uninstall SQL Server, and then rerun SQL Server Setup. Exit code (Decimal): -2068643839 Exit facility code: 1203 Exit error code: 1 Exit message: Method not found: 'Void Microsoft.SqlServer.Configuration.MsiExtension.PackageInstallProperty.set_FailedPatchedFeatureList(System.Collections.Generic.List`1<System.String>)'. Start time: 2012-11-18 16:32:54 End time: 2012-11-18 16:34:07 Requested action: Install Log with failure: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20121118_163146\Detail.txt Exception help link: http%3a%2f%2fgo.microsoft.com%2ffwlink%3fLinkId%3d20476%26ProdName%3dMicrosoft%2bSQL%2bServer%26EvtSrc%3dsetup.rll%26EvtID%3d50000%26ProdVer%3d10.0.1600.22%26EvtType%3d0x6539C9E6%400x375DE77D Machine Properties: Machine name: WEBD Machine processor count: 4 OS version: Windows Vista OS service pack: Service Pack 1 OS region: United Kingdom OS language: English (United States) OS architecture: x86 Process architecture: 32 Bit OS clustered: No Product features discovered: Product Instance Instance ID Feature Language Edition Version Clustered Package properties: Description: SQL Server Database Services 2008 SQLProductFamilyCode: {628F8F38-600E-493D-9946-F4178F20A8A9} ProductName: SQL2008 Type: RTM Version: 10 SPLevel: 0 Installation location: c:\1ecd7ad03bd0c2d4ee57a72099f430\x86\setup\ Installation edition: EXPRESS User Input Settings: ACTION: Install ADDCURRENTUSERASSQLADMIN: False AGTSVCACCOUNT: <empty> AGTSVCPASSWORD: ***** AGTSVCSTARTUPTYPE: Manual ASBACKUPDIR: Backup ASCOLLATION: Latin1_General_CI_AS ASCONFIGDIR: Config ASDATADIR: Data ASDOMAINGROUP: <empty> ASLOGDIR: Log ASPROVIDERMSOLAP: 1 ASSVCACCOUNT: <empty> ASSVCPASSWORD: ***** ASSVCSTARTUPTYPE: Automatic ASSYSADMINACCOUNTS: <empty> ASTEMPDIR: Temp BROWSERSVCSTARTUPTYPE: Disabled CONFIGURATIONFILE: CUSOURCE: ENABLERANU: False ERRORREPORTING: False FEATURES: SQLENGINE,REPLICATION,SNAC_SDK FILESTREAMLEVEL: 0 FILESTREAMSHARENAME: <empty> FTSVCACCOUNT: <empty> FTSVCPASSWORD: ***** HELP: False INDICATEPROGRESS: False INSTALLSHAREDDIR: c:\Program Files\Microsoft SQL Server\ INSTALLSHAREDWOWDIR: C:\Program Files\Microsoft SQL Server\ INSTALLSQLDATADIR: <empty> INSTANCEDIR: C:\Program Files\Microsoft SQL Server\ INSTANCEID: <empty> INSTANCENAME: <empty> ISSVCACCOUNT: NT AUTHORITY\NetworkService ISSVCPASSWORD: ***** ISSVCSTARTUPTYPE: Automatic NPENABLED: 0 PCUSOURCE: PID: ***** QUIET: False QUIETSIMPLE: False RSINSTALLMODE: FilesOnlyMode RSSVCACCOUNT: <empty> RSSVCPASSWORD: ***** RSSVCSTARTUPTYPE: Automatic SAPWD: ***** SECURITYMODE: <empty> SQLBACKUPDIR: <empty> SQLCOLLATION: SQL_Latin1_General_CP1_CI_AS SQLSVCACCOUNT: <empty> SQLSVCPASSWORD: ***** SQLSVCSTARTUPTYPE: Automatic SQLSYSADMINACCOUNTS: <empty> SQLTEMPDBDIR: <empty> SQLTEMPDBLOGDIR: <empty> SQLUSERDBDIR: <empty> SQLUSERDBLOGDIR: <empty> SQMREPORTING: False TCPENABLED: 0 X86: False Configuration file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20121118_163146\ConfigurationFile.ini Detailed results: Feature: Database Engine Services Status: Failed: see logs for details MSI status: Passed Configuration status: Passed Feature: SQL Client Connectivity SDK Status: Failed: see logs for details MSI status: Passed Configuration status: Passed Feature: SQL Server Replication Status: Failed: see logs for details MSI status: Passed Configuration status: Passed Rules with failures: Global rules: Scenario specific rules: Rules report file: C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log\20121118_163146\SystemConfigurationCheck_Report.htm Exception summary: The following is an exception stack listing the exceptions in outermost to innermost order Inner exceptions are being indented Exception type: Microsoft.SqlServer.Setup.Chainer.Workflow.ActionExecutionException Message: Method not found: 'Void Microsoft.SqlServer.Configuration.MsiExtension.PackageInstallProperty.set_FailedPatchedFeatureList(System.Collections.Generic.List`1<System.String>)'. Data: DisableWatson = true Stack: Server stack trace: at Microsoft.SqlServer.Configuration.BootstrapExtension.ExecuteWorkflowAction.HandleActionException(Exception e, TextWriter logging) at Microsoft.SqlServer.Setup.Chainer.Workflow.ActionEngine.NotifyOnUnhandledException(Exception e) at Microsoft.SqlServer.Setup.Chainer.Workflow.ActionEngine.RunActionQueue() at Microsoft.SqlServer.Setup.Chainer.Workflow.Workflow.RunWorkflow(HandleInternalException exceptionHandler) at Microsoft.SqlServer.Configuration.BootstrapExtension.ExecuteWorkflowAction.ExecuteAction(String actionId) at Microsoft.SqlServer.Configuration.NestedWorkflow.ExecuteWorkflow(ServiceContainer context, String sequencesRootPath, ActionKey sequenceId) at Microsoft.SqlServer.Configuration.NestedWorkflow.ExecuteWorkflow(ServiceContainer context, String sequenceId) at Microsoft.SqlServer.Configuration.InstallWizardFramework.InstallWizardPageHost.<>c__DisplayClass2.<ExecuteAction>b__0() at Microsoft.SqlServer.Configuration.WizardFramework.BlockingWorker.ThreadCallBack(MethodInvoker method) at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.PrivateProcessMessage(RuntimeMethodHandle md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.AsyncProcessMessage(IMessage msg, IMessageSink replySink) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.EndInvokeHelper(Message reqMsg, Boolean bProxyCase) at System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(Object NotUsed, MessageData& msgData) at Microsoft.SqlServer.Configuration.WizardFramework.BlockingWorker.WorkerCallback.EndInvoke(IAsyncResult result) at Microsoft.SqlServer.Configuration.WizardFramework.BlockingWorker.PerformWork(MethodInvoker method) at Microsoft.SqlServer.Configuration.InstallWizardFramework.InstallWizardPageHost.ExecuteAction(String actionName) at Microsoft.SqlServer.Configuration.InstallWizardFramework.InstallWizardPageHost.PageLeft(PageChangeReason reason) at Microsoft.SqlServer.Configuration.WizardFramework.UIHost.set_SelectedPageIndex(Int32 value) at Microsoft.SqlServer.Configuration.WizardFramework.UIHost.GoNext() at Microsoft.SqlServer.Configuration.WizardFramework.NavigationButtons.nextButton_Click(Object sender, EventArgs e) at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) Inner exception type: System.MissingMethodException Message: Method not found: 'Void Microsoft.SqlServer.Configuration.MsiExtension.PackageInstallProperty.set_FailedPatchedFeatureList(System.Collections.Generic.List`1<System.String>)'. Stack: at Microsoft.SqlServer.Configuration.SetupExtension.SetFeatureConfigStateAction.ExecuteAction(String actionId) at Microsoft.SqlServer.Chainer.Infrastructure.Action.Execute(String actionId, TextWriter errorStream) at Microsoft.SqlServer.Setup.Chainer.Workflow.ActionInvocation.InvokeAction(WorkflowObject metabase, TextWriter statusStream) at Microsoft.SqlServer.Setup.Chainer.Workflow.PendingActions.InvokeActions(WorkflowObject metaDb, TextWriter loggingStream) Related question which i had asked yesterday https://dba.stackexchange.com/questions/28867/sql-server-2008-r2-management-studio-evaluation-period-has-expired/28878#28878 **Configuration**: Window 7 32 bit with 4GB RAM