A cluster of Windows 11 systems worldwide began reporting a startling failure in March 2026: after installing Microsoft’s February cumulative update (KB5077181), some laptops — most prominently certain Samsung Galaxy Book models — started showing the error “C:\ is not accessible – Access...
acl corruption
aclissuesacl permissions
c drive access
data recovery
galaxy book
kb5077181
kb5077181 issues
samsung galaxy book
samsung laptops
windows 11
windows 11 updates
Probably not a vista thing but thought I'd mention it anyway.
There is an ACL issues when trying to install SQL Server Management Studio Express Edtition.
There are a few posts in the SQL forums here:
Link Removed - Invalid URL
cheers,
john