how to fix You can’t access this shared folder because your organization’s security policies block unauthenticated guest access Error problem
Step:-1 opened the Run press (Win + R) key same time and typed in th run box gpedit.msc and hit enter to open the Local Group Policy Editor.
Navigated to path Computer Configuration -> Administrative Templates -> Network -> Lanman Workstation double click on the Enable insecure guest logons as shown in the below screenshot
By default it was disabled
select on enable and click ok
access the shared network drive, I was able to access My Lacie NAS drive from the windows explorer
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Network computer access issues