Do you have a passwords file, or something that shouldn't be reachable by other computer users? First step is to to enable simple file sharign from explorer:
In this moment you can go to your folder, right click > properties > security tab, check if your user is in the list, add it if this is necesary, and edit it rights. I hope that it works and for you 
If not, please let me know: you got free suport
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