Enable .NET Framework 3.5.1 on Windows 8 PRO to Run Applications

Enable .NET Framework 3.5.1 on Windows 8 PRO to Run Applications

Optimizations Danidu Weerasinghe   11:03 AM

Windows 8 Developer Preview comes included with .NET Framework 4, so you don’t need to install any .NET Framework version on Win8, but to run installed Windows applications and portable ones Windows needs to enable and run .NET framework 3.5.1 which shown by “Turning Windows Features on or off window “with options to accept and cancel the changes.

You will encounter this window every time when you try to run any app, annoying. If you Accept the changes, you’ll be connected to Windows update and required files will be downloaded. But this process continues and never successfully completes as we observed. If you prefer to cancel option, no changes will be mode and the app simply won’t run.
Here is a permanent fix to this.

1. Open Control Panel>Programs>Programs and Features >click Turn Windows features on or Off
2. Select .NET Framework 3.5.1 feature and click Ok, Windows downloads required files connecting to Windows Update

3. After downloading is compete, you’ll be shown “Windows Successfully completed the request changes” message.

That’s it from now on you can run any windows related installed apps even the portable ones without any problem.

Update: Here is how to enable .Net 3.5.1 on offline systems.

All you need is windows 8 DP installation media,

1. First of all create “net35″ folder in C drive.

2.Now open command prompt using Win +R, type and execute the following command line

    xcopy H:\sources\sxs\*.* c:\net35 /s

    where H is DVD drive, it takes sometime for all files to copied you need to be patient.

3.After all files are copied open command prompt with admin privileges and type and execute following command line

Dism.exe /online /enable-feature /featurename:NetFX3 /All /Source:c:\net35 /LimitAccess

Make your Wiindows 7 get much faster

Make your Wiindows 7 get much faster

Optimizations Danidu Weerasinghe   10:59 AM

Clearing DNS Cache
By clearing DNS you can do this
Type Command Prompt in Start Search, right-click on Command Prompt under Programs and select Run As Administrator.When your computer is running for quite some time, you will notice that it slows down due to idle processes. You can use this method to free up unused RAM and speed up your computer. It requires you to create a desktop shortcut and then open it to clear the memory cache.




Now, type ipconfig /flushdns and hit Enter.





As you can see from the screenshot above, it will show a message that the DNS Resolver Cache has been successfully flushed.


And Do like this too

Clearing Memory Cache

First right-click anywhere on the desktop and select New > Shortcut.



Now enter the following line when asked for location of the shortcut and hit Next:


%windir%\system32\rundll32.exe advapi32.dll,ProcessIdleTasks





Give it any name and hit Finish.





Now open this newly created shortcut and you will notice a slightly better performance