Fix window 7 did not recognize enough the number thread of cpu i7 7xxx. Because cpu i7 -7xxx is not support windows 7 or older. CPu Ryzen too. Well, for any stable builds and auto update turned off, or spend win 8.1
Method 1: Driver Booster scan settings then try to fix. If received, the luck is due entirely unsupported again had to be rough
Method 2: update to windows 10 for fix it.
Method 3: if have problem with another i7 as:
the remedy is very simple we simply press Windows + R type msconfig in the Boot tab Advanced options section tick in the number processors …. leave or pick up the maximum number of streams that CPU
okey and then just reboot everything is back to normal