Fix 1 — Recommended

Jis PC se \\192.168.31.15 open nahi ho raha, usme:

Win + R → type:

gpedit.msc

Phir:

Computer Configuration → Administrative Templates → Network → Lanman Workstation

Ab:

Enable insecure guest logons

par double-click karein → Enabled → Apply → OK

Uske baad PC restart karein.

Phir try:

\\192.168.31.15