Are You having Problem with Microsoft .NET ?

If you are having problem with Microsoft.NET and you see similar error message as the image below while installing the Programs such as Microsoft Office and SQL Server then here is a small trick that will greatly help you to get out of this Problem.

just what you have to do is:

Step 1: Locate the Microsoft.Net folder that is installed in Your Machine.(For this just look below the error code)
Step 2: Go to the file named machine.config and rename it to machine1.config
Step 3: Now Again copy the file named machine.config.default to another location of your machine and rename it to machine.config from the new location.
Step 4: Again cut or copy the renamed file to its original location (with the new name machine.config)
Step 5: Restart your computer

and you are done with it!! All the problems that are related are removed.
[Note: Don't delete the machine1.config file as this has been kept for Backup for future restore]

The cause of the problem is when you remove or unistall some program from the machine it automatically edits the file(machine.config) and removes some of its coding which is necessary for other programs during installation.