Installed 18351.

Gave it a go. So far no issues. .mkv issue resolved, which was a major pita for me.

Anyone else thinking of biting the bullet and trying an upgrade on a blocked CPU system from ISO?

Not showing in UUP either, so they are probably still uploading the files for this build.

Correction: As far as I can tell, the exempt CPUs are about every modern core i3/5/7 Intel chips, seems...

Thanks. Been doing that or using an app called Lockhunter to either clear the lock or set files to delete on next boot. Just an annoyance.

I'm seeing the issue with being unable to delete or move .mkv files as well. They are being locked by explorer.exe.

Installed 18309. Only problem I'm experiencing (which I also had with 18305 and rolled back to 18298), is one of my USB thumb drives is not recognized. Kingston DT HyperX 3.0 USB Device, shows Set...