After a Windows 11 update, shared
folders on a PC may become inaccessible due to changes in network discovery,
file sharing, or security settings.
See how to fix the problem
Open Gpedit.msc
Local computer policy>Computer
Comfigration>Administrative Templates>Netwok>Lanman Server
Worksatation> Enable insecure guest logons
If it is Not- Configured
then Change it to Enable
Local computer policy>Computer
Configration>Security Setting>Local Policies>Security Options : Microsoft
network client: Digitally sign communications (always)
Using Regedit
