I found that in xp only the beta would occasionally loose the icon from the task bar and the desktop shortcut plus opening via program's would not work. no idea why it occasionally turns off.
in my case a reboot solves the problem on a temp basis.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
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