Try pressing Control Alt Delete (all 3 together) when you are at the logon screen.
This may bring enable the password entry field.
Type: Posts; User: DannyL
Try pressing Control Alt Delete (all 3 together) when you are at the logon screen.
This may bring enable the password entry field.
Open a command prompt as Administrator (right-click on the start menu to find that), and run the following:
sfc /scannow
This may help get this back to normal.
You can also try a system...