I spent a whole day on this Windows 10 error code 0x80004005. It popped up when I tried to acces a shared folder in my office network. I’ve yet to migrate from my Windows 7 and this is not promoting love for Windows 10.
This particular error happened when I tried to access our office NAS from a ‘demoted’ laptop. It just won’t connect to the NAS. It could see and even access other shared folders, printers, and computers, just not the NAS.
Googled up solutions, tried a lot of suggested fixes, and killed a lot of time in between slow restarts (it’s a really slow laptop) and finally found the solution here, “How to fix ‘Windows cannot access computer’ error code 0x80004005”on techjunkie.com and I tried all six quick fixes, and almost fell asleep applying updates. The laptop was agonisingly s-l-o-w.
None worked. By this time, I’m close to hitting something/someone, and a network cable looks good as a whip. I almost threw in the towel, thinking this is a fight I don’t want to fight today.
I kept at it, and scoured the Web, and chanced upon techjunkie’s site. The solution’s in the comments section, by Steve. You need to muck in the registry and navigate to
HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters\AllowInsecureGuestAuthand set it to 1. Creating DWORD value “AllowInsecureGuestAuth” allows access to the NAS. What’s more bewildering is, on another laptop running Windows 10, I can access the NAS, yet the “AllowInsecureGuestAuth” key is not there. Gotta love Windows!
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