Win10, Spotify active "Specified audio output device".

Support Windows 10 ONLY.

Win7, VirtualBox - Disable Time Sync.

Win7, VirtualBox - Resize hdd to bigger (20GB to 40GB).

Step-01: Extend to 40GB as example
# VBoxManager.exe modifyhd filePath:/virtual-HDD-filename.vdi --resize 40000

Windows CMD: systeminfo

CMD: systeminfo

Win7, 重整硬碟, 提升系統效率百百.

WINDOWS 7

step-01:

• 點選桌面左下角的 "開始" --> "控制台".

step-02:

• 待 "調整電腦設定" 頁面開啟, 如下圖.
• 選擇 "系統及安全性".

WinXP, 重整硬碟, 提升系統效率百百.

WINDOWS XP

step-01:

• 點選桌面左下角的 "開始".
• 滑鼠右鍵 "我的電腦".
• 點擊 "管理".

step-02:

• 待 "電腦管理" 頁面開啟, 如下圖.

Callback Windows Desktop

Windows Desktop is gone!!!
([顯示桌面] , 不小心誤刪了, 這時 怎麼辦?)

OS: Windows XP

Fix it:
Step1- Go to following path.

           C:\Documents and Settings\User\Application Data\Microsoft\Internet Explorer\Quick Launch

step2- New a text file contains below, and named that file as “Show Desktop.scf”.
           [Shell]
           Command=2
           IconFile=explorer.exe,3

           [Taskbar]
           Command=ToggleDesktop       

See, it is there.

F.A.C.K Skype AD remove be

Block a web "https://apps.skype.com" through IE.

• On Internet Explorer (version 11 or previous) 
• Go to Internet Options --> Security --> Limited Web Site
• Click "Web site" and then insert "https://apps.skype.com" to block list.
• Done

GPU-z

Version: 0.7.7

Purpose: Detect Graph Card detail and show you all the information your desktop/laptop running.
Following captured from my laptop Acer TravelMate 8371. As you saw, do not play the 3D game with this one.

To see maximum performance your Graph Card supported.

Package required: DirectX SDK

• Install DirectX SDK before execute GPU-z.
• Click a "Question" button beside "Bus Interface".
• Wait a while moment, real data will show. 

GPUz, Get it form here
DirectX SDK, Get it from here

dupeGuru, find out all duplicate/garbage files

Web site: http://www.hardcoded.net/dupeguru/
OS supported: Windows 32/64bits, Mac OS X & Linux Ubuntu

Main GUI

Remove AVG Safeguard Toolbar

There you could also refer this AVG web page to remove "AVG Safeguard Toolbar" through a tool that provided by AVG themselves. (an evil company, everyone know what they thinking.)

1. Download the AVG Browser Configuration Tool.
2. Run the downloaded file AVG_Browser_configuration_tool.exe.
3. Click Accept to confirm the license agreement.
4. Click Continue to start the removal process.
   Note: This will close all your browser windows.
5. You may receive a prompt from Internet Explorer or other browsers about your preferred search engine.
6. Click Exit to close the tool.

Or download that tool from here.

Unassociate File Types in Windows 7

Purpose: 在 Win7 取消特定附檔名被預設程式開啟

Tool filename: Unassoc (v1.4)
Download from here: https://www.dropbox.com/s/z2pxitiru4md5uf/unassoc_1_4.zip

• This is a green software, do not need to to the installation.
• Just run "Unassoc.exe", and that operation UI shows up.

• Select the file type from the list
• Click " Delete file type ".
• The user-specific association for the chosen file type is now removed from the registry. The system will now use the global file association settings.