cant install system detect

cant install system detect a

PLATFORM VERSION INFO
 Windows    : 6.1.7601.65536 (Win32NT)
 Common Language Runtime  : 4.0.30319.34209
 System.Deployment.dll   : 4.0.30319.34244 built by: FX452RTMGDR
 clr.dll    : 4.0.30319.34209 built by: FX452RTMGDR
 dfdll.dll    : 4.0.30319.34244 built by: FX452RTMGDR
 dfshim.dll    : 4.0.41209.0 (Main.041209-0000)

SOURCES
 Deployment url   : file:///C:/Users/Owner/AppData/Roaming/Microsoft/Windows/Start%20Menu/Programs/Dell/Dell%20System%20Detect.appref-ms%7C

ERROR SUMMARY
 Below is a summary of the errors, details of these errors are listed later in the log.
 * Activation of C:\Users\Owner\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Dell\Dell System Detect.appref-ms| resulted in exception. Following failure messages were detected:
  + The referenced assembly is not installed on your system. (Exception from HRESULT: 0x800736B3)

COMPONENT STORE TRANSACTION FAILURE SUMMARY
 No transaction error was detected.

WARNINGS
 There were no warnings during this operation.

OPERATION PROGRESS STATUS
 * [4/28/2015 7:01:47 PM] : Activation of C:\Users\Owner\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Dell\Dell System Detect.appref-ms| has started.

ERROR DETAILS
 Following errors were detected during this operation.
 * [4/28/2015 7:01:48 PM] System.Runtime.InteropServices.COMException
  - The referenced assembly is not installed on your system. (Exception from HRESULT: 0x800736B3)
  - Source: System.Deployment
  - Stack trace:
   at System.Deployment.Internal.Isolation.IStore.GetAssemblyInformation(UInt32 Flags, IDefinitionIdentity DefinitionIdentity, Guid& riid)
   at System.Deployment.Application.ComponentStore.GetAssemblyManifest(DefinitionIdentity asmId)
   at System.Deployment.Application.ComponentStore.GetSubscriptionStateInternal(DefinitionIdentity subId)
   at System.Deployment.Application.SubscriptionStore.GetSubscriptionStateInternal(SubscriptionState subState)
   at System.Deployment.Application.SubscriptionState.Validate()
   at System.Deployment.Application.ApplicationActivator.ProcessOrFollowShortcut(String shortcutFile, String& errorPageUrl, TempFile& deployFile)
   at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
   at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)

COMPONENT STORE TRANSACTION DETAILS
 No transaction information is available.

I also have lost all sound (a separate issue)  when I click on the sound icon it says no playback installed.  I can't watch videos either.  I'm a dummie when it comes to all this  Someone please help me I have an all in one inspirion1 2305 with windows 7

HELP

nd I can't seem to get help with  this problem this is the message I get