chào mọi người, HDH window 7 của mình có sẵn cái Microsoft .NET Framework 1.1, mình đã gở nó ra, sau đó cài lại Microsoft .NET Framework 3.5, thì nó báo lỗi như thế này đây

[03/19/10,11:07:45] VS Scenario: [2] CSupportedPlatformCheck failed : You must use "Turn Windows features on or off" in the Control Panel to install or configure Microsoft .NET Framework 3.5.
[03/19/10,11:07:45] VS Scenario: [2] Failed to pass the Warnings/Blocks checks in CVSScenario::Start()
[03/19/10,11:16:41] VS Scenario: [2] CSupportedPlatformCheck failed : You must use "Turn Windows features on or off" in the Control Panel to install or configure Microsoft .NET Framework 3.5 SP1.
[03/19/10,11:16:42] VS Scenario: [2] Failed to pass the Warnings/Blocks checks in CVSScenario::Start()
[03/19/10,11:22:18] VS Scenario: [2] CSupportedPlatformCheck failed : You must use "Turn Windows features on or off" in the Control Panel to install or configure Microsoft .NET Framework 3.5.
[03/19/10,11:22:18] VS Scenario: [2] Failed to pass the Warnings/Blocks checks in CVSScenario::Start()
[03/19/10,11:24:12] VS Scenario: [2] CSupportedPlatformCheck failed : You must use "Turn Windows features on or off" in the Control Panel to install or configure Microsoft .NET Framework 3.5.
[03/19/10,11:24:12] VS Scenario: [2] Failed to pass the Warnings/Blocks checks in CVSScenario::Start()
[03/19/10,11:32:21] VS Scenario: [2] CSupportedPlatformCheck failed : You must use "Turn Windows features on or off" in the Control Panel to install or configure Microsoft .NET Framework 3.5.
[03/19/10,11:32:21] VS Scenario: [2] Failed to pass the Warnings/Blocks checks in CVSScenario::Start()
[03/19/10,12:18:02] Microsoft .NET Framework 3.0SP1 (CBS): [2] Error: Installation failed for component Microsoft .NET Framework 3.0SP1 (CBS). MSI returned error code -2145124329
[03/19/10,12:18:28] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0SP1 (CBS) is not installed.


-"Turn Windows features on or off" in the Control Panel to install or configure Microsoft .NET Framework 3.5.- mình có vào "Turn Windows features on or off" để uncheck và check vào cái box của Microsoft .NET Framework 3.5.1 nhưng vẫn kg xong.

ai biết khắc phục giúp mình với, mình cảm ơn