If you encountered "RPC server is unavailable" error, try out the fixes explained in this video to get rid of the error....
Key moments in the video:
00:00 - Intro
00:23- Causes
00:35 - Step 1: Ensure All RPC Services Are Running on Your PC
01:23 - Step 2: Check RPC Isn’t Blocked by Your Firewall
02:08 - Step 3: Boot Using Normal Startup
02:39 - Step 4: Enable IPv6 And File & Printer Sharing
03:23 - Step 5: Flush Your DNS Cache
03:55 - Step 6: Edit Your Registry Settings
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