getting folder writtable error

hi

i am new at wordpress org. I have exported file from wordpress.com and now i want to upload file in my own server. i am using “wxmlmigrate2” plugin to transfer the blog.
but when i import that file : i am getting following error

“Unable to create directory C:\Inetpub\vhosts\readgujarati.com\httpdocs\samachar/wp-content/uploads/2006/11. Is its parent directory writable by the server?”

how i can solve this problem ? please guide me.