Problem je bilo jer je u Administratorsim pravima, bilo podeseno da se nemogu pristupat shareovima. Vjerojatno je to djelo nekog virusa, jer nisam to mogo iskljucit sve dok nisam pogasio sve sumnjive procese.
Control Panel --> Administrative Tools --> Local Security Policy -->Security Settings-- +Local Policies + Security Options-->
Network Access: Do not allow anonymous enumeration of SAM account, and shares. (Enabled) - It Should Be Disabled."