fix arduino wemos D1 upload error:

 fix arduino wemos D1 upload error:

remove usb from wemos D1 

solder wire D3 to GND

plug usb

upload your Sketch

disconnect D3 from GND

How do I fix my taskbar search in Windows 10?

How do I fix my taskbar search in Windows 10?

Restart Windows Explorer

A quick fix attempt, restarting Windows Explorer might jump-start the taskbar search into working again.

1. Right-click the Start button.
2. Click Task Manager.
   
   
3. Click Windows Explorer. It's located near the bottom of the Task Manager menu.
4. Click Restart.
   
   

fix keil crash on win8 if resolution is 1152x864

fix keil crash on win8 if resolution is 1152x864

Control Panel -> Appearance and Personalization -> Display -> Size of display items

change resolution to 1920x1200 @ 125% and 150% works

http://www.keil.com/forum/24697/

fix apple mac app store error 100

fix mac app store error 100:

(1)logout app store
(2)quit app store

(3)deleting ~Library/Caches and /Library/Caches and 

(4)logout mac
(5)login mac
(6)then restarting the Mac App Store you can also fix the problem