When you run the program on the taskbar show back

Step 1. Windows Troubleshooting Tools

1. Place the mouse pointer to the bottom left corner of the command prompt, right-click on the port: the administrator mode.

2. After each command, enter the following press Enter.
     - Dism / online / cleanup-image / restore health
     - Sfc / scan now

3. While progress has been completed can be time-consuming.

4. Reboot the PC.

5. Check the symptoms

Step 2. Remove the third-party program

1. If you have used a security program (V3, etc.) the removal.

2. Driver used PC Suite (the graphics card driver, chipset driver - using a PC, you cannot list everything is different each time) to remove it.

3. After updating to the latest version of Windows Update, and proceed with the upgrade.

Step 3. Using the Msconfig clean boot in progress

1. At the same time, enter the Windows Key + R, type msconfig in the Run window.

2. On the General tab, click Selective Startup, and then click the [Load Startup Items check box is not selected.

3. Services tab, click the Hide all Microsoft services, click the [Disable All] button.

4. Apply, click on the OK button to restart the computer after the sequential progress.

     - More detailed information can be found at https://support.microsoft.com/en-hk/help/929135/how-to-perform-a-clean-boot-in-windows.