If you want to unbind or remove mapping of your local folder from SVN, then you can right click the folder -> choose TortoiseSVN -> Export and choose the same location as the folder currently is in (i.e. export the folder to itself)

This will 'un-version' the whole folder.

Or you can also remove all .svn file from that project.

I guess you came to this post by searching similar kind of issues in any of the search engine and hope that this resolved your problem. If you find this tips useful, just drop a line below and share the link to others and who knows they might find it useful too. 

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