I'm using Notes 8.5.1 with Win7 64bit as well and had the same issue.
Have you tried to terminate the different notes tasks (i.e. notes2.exe nlnotes.exe etc) before rebooting your laptop? or the nsd -kill command? this worked for me and saved me from rebooting..
I'm using Notes 8.5.1 with Win7 64bit as well and had the same issue.
Have you tried to terminate the different notes tasks (i.e. notes2.exe nlnotes.exe etc) before rebooting your laptop? or the nsd -kill command? this worked for me and saved me from rebooting..