Windows 11 shared pc acces problem

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)

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Using  Regedit