sharepoint server 2010

Merhaba ,

Ben sharepoint 2010 server kurdum. Sharepoint konusun da daha yeniyim . bu serverım yaklaşık 10 gündür düzenli bir şekilde çalışmakta idi. 

The SharePoint Health Analyzer has detected some critical issues that require your attention. View these issues.   altında aşağıdaki uyarı mesajlarını gördüm. konu ile ilgili desteğinizi rica ederim.

 1-Using highly-privileged accounts as application pool or as service identities poses a security risk to the farm, and could allow malicious code to execute.  The following services are currently running as accounts in the machine Administrators group: SharePoint Central Administration v4 (Application Pool)
SPTimerV4(Windows Service)

 2-For optimal performance, databases should not share servers with other applications.

3-Using built-in accounts like Network Service or Local System as application pool or as service identities is not supported in a farm configuration.  The following services are currently running as built-in identities on one or more servers: SPTraceV4(Windows Service)
OSearch14(Windows Service)
SPSearch4(Windows Service)

4-MissingWebPart] WebPart class [8d6034c4-a416-e535-281a-6b714894e1aa] is referenced [6] times in the database [SharePoint_AdminContent_1d342af4-1c6d-48f8-8bc5-f5a50d643c2f], but is not installed on the current farm. Please install any feature/solution which contains this web part. One or more web parts are referenced in the database [SharePoint_AdminContent_1d342af4-1c6d-48f8-8bc5-f5a50d643c2f], but are not installed on the current farm. Please install any feature or solution which contains these web parts.