Removing MissingSiteDefinition and Missingsetupfile

Hi, 

i Need to upgrade Moss 2010 to SP1 but these errors are stopping me...

PS C:\Users\User> Test-SPContentDatabase -name wss_content_inet

cmdlet Test-SPContentDatabase at command pipeline position 1

Supply values for the following parameters:

WebApplication: SharePoint - inet80

Category        : MissingSiteDefinition

Error           : True

UpgradeBlocking : False

Message         : 1 Sites in database [WSS_Content_net] has reference(s) to a

                 missing site definition, Id = [75806], Lcid = [1033].

Remedy          : The site definitions with Id 75806 is referenced in the datab

                 ase [WSS_Content_net], but is not installed on the current f

                 arm. The missing site definition may cause upgrade to fail. P

                 lease install any solution which contains the site definition

                  and restart upgrade if necessary.

Category        : MissingSetupFile

Error           : True

UpgradeBlocking : False

Message         : File [Features\KnowledgeBaseKnowledgeBaseList\kbase\repair.as

                 px] is referenced [1] times in the database [WSS_Content_net

                 ], but is not installed on the current farm. Please install a

                 ny feature/solution which contains this file.

Remedy          : One or more setup files are referenced in the database [WSS_C

                 ontent_net], but are not installed on the current farm. Plea

                 se install any feature or solution which contains these files

                 .

Category        : MissingSetupFile

Error           : True

UpgradeBlocking : False

Message         : File [Features\KnowledgeBaseKnowledgeBaseList\kbase\Upload.as

                 px] is referenced [1] times in the database [WSS_Content_net

                 ], but is not installed on the current farm. Please install a

                 ny feature/solution which contains this file.

Remedy          : One or more setup files are referenced in the database [WSS_C

                 ontent_net], but are not installed on the current farm. Plea

                 se install any feature or solution which contains these files

                 .

Category        : MissingSetupFile

Error           : True

UpgradeBlocking : False

Message         : File [Features\KnowledgeBaseModules\default.aspx] is referenc

                 ed [1] times in the database [WSS_Content_net], but is not i

                 nstalled on the current farm. Please install any feature/solu

                 tion which contains this file.

Remedy          : One or more setup files are referenced in the database [WSS_C

                 ontent_net], but are not installed on the current farm. Plea

                 se install any feature or solution which contains these files

                 .

Category        : MissingSetupFile

Error           : True

UpgradeBlocking : False

Message         : File [Features\TSAimage\homepage.gif] is referenced [1] times

                  in the database [WSS_Content_net], but is not installed on

                 the current farm. Please install any feature/solution which c

                 ontains this file.

Remedy          : One or more setup files are referenced in the database [WSS_C

                 ontent_net], but are not installed on the current farm. Plea

                 se install any feature or solution which contains these files

                 .

Category        : MissingSetupFile

Error           : True

UpgradeBlocking : False

Message         : File [SiteTemplates\PWA\dwp\OWCViewPart.webpart] is reference

                 d [1] times in the database [WSS_Content_net], but is not in

                 stalled on the current farm. Please install any feature/solut

                 ion which contains this file.

Remedy          : One or more setup files are referenced in the database [WSS_C

                 ontent_net], but are not installed on the current farm. Plea

                 se install any feature or solution which contains these files

                 .

Category        : MissingSetupFile

Error           : True

UpgradeBlocking : False

Message         : File [SiteTemplates\PWA\OWCView.aspx] is referenced [1] times

                  in the database [WSS_Content_net], but is not installed on

                 the current farm. Please install any feature/solution which c

                 ontains this file.

Remedy          : One or more setup files are referenced in the database [WSS_C

                 ontent_net], but are not installed on the current farm. Plea

                 se install any feature or solution which contains these files

                 .

Category        : MissingWebPart

Error           : True

UpgradeBlocking : False

Message         : WebPart class [94b5bae7-436c-dcc2-5869-d491181c283b] is refer

                 enced [1] times in the database [WSS_Content_net], but is no

                 t installed on the current farm. Please install any feature/s

                 olution which contains this web part.

Remedy          : One or more web parts are referenced in the database [WSS_Con

                 tent_net], but are not installed on the current farm. Please

                  install any feature or solution which contains these web par

                 ts.

Category        : MissingAssembly

Error           : True

UpgradeBlocking : False

Message         : Assembly [KnowledgeBaseEventHandler, Version=14.0.0.0, Cultur

                 e=neutral, PublicKeyToken=71e9bce111e9429c] is referenced in

                 the database [WSS_Content_net], but is not installed on the

                 current farm. Please install any feature/solution which conta

                 ins this assembly.

Remedy          : One or more assemblies are referenced in the database [WSS_Co

                 ntent_net], but are not installed on the current farm. Pleas

                 e install any feature or solution which contains these assemb

                 lies.

Category        : MissingAssembly

Error           : True

UpgradeBlocking : False

Message         : Assembly [Microsoft.Office.Project.Server.PWA,Version=12.0.0.

                 0,Culture=neutral,PublicKeyToken=71e9bce111e9429c] is referen

                 ced in the database [WSS_Content_net], but is not installed

                 on the current farm. Please install any feature/solution whic

                 h contains this assembly.

Remedy          : One or more assemblies are referenced in the database [WSS_Co

                 ntent_net], but are not installed on the current farm. Pleas

                 e install any feature or solution which contains these assemb

                 lies.