how can i avoid this error while working on c# form application??

[C# Programming]

i waz working on a c# project on windows 7......... when i run or debug the code ...... and if there is a compile time error, it will display the errors...........but after i correct this errors.......there will be a permanent error which says..........."Cant find C:\......\\ProjectName.pdb access denied".....pdb=program debug database.......but this error disappears only if i restart my laptop........ so please help me ppls....which save my time rather than restarting my pc if some error happens....tnx