You need to unlock TFS code which is locked on PC which is not available at this moment.
So, you must unlock file to continue to work with. This is Visual Studio command prompt line which do some magic for us:
The Blog space reserved for writing my everyday thought about my everyday job. I am .net developer and my primarily writing will be about .net , c# , vb.net , asp.net and mssql. I will try to write about problems and solution that we meet in our everyday work specially about problems for which answer is hard to found on the internet ... I hope it will be useful place for all of you who need a such sort of information.