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When installing Windows 8.1 Preview from ISO, I am unable to install Guest Additions. Below is the error message. The search is on how to fix or find a workaround for this issue. Update(s): - Even running in compatibility mode is not working - This is now working on VirtualBox 4.2.16 (Type=Microsoft Windows, Version = Windows 8.1) References: https://forums.virtualbox.org/viewtopic.php?f=8&t=55260

I am not a fan of Windows 7 Explorer grouping feature. It makes the list of files cluttered and not easy to navigate or find object. See below for a screen capture.  Anyway, to disable that feature, press Alt to show Windows Explorer menu, then select View | Group By | None .

How to install wxPython in Lubuntu (13.04) $: sudo apt-get install python-wxgtk2.8 python-wxtools wx2.8-doc wx2.8-examples wx2.8-headers wx2.8-i18n Applicable to: Ubuntu Kubuntu Linux Mint Debian Other Debian derivatives

How to create new user in Lubuntu from the console (applicable to Ubuntu/Debian/Debian derivatives) $: sudo adduser new_user_name Reference: http://www.howtogeek.com/howto/ubuntu/add-a-user-on-ubuntu-server/

How to delete a user in Lubuntu (applicable to Ubuntu/Debian/Debian derivative) $: sudo deluser user_to_delete Reference: http://manpages.ubuntu.com/manpages/hardy/man8/deluser.8.html

SQL Server 2012 Sp1 Standard installation step by step screen capture. This was done on a Windows Server 2008 R2 64-bit operating system in Hyper-V VM with 4GB of memory.

This is a classic example of "do what I say but don't follow what I do." ActiveX technology is not something that you will trust on the internet. You may use it in a trusted environment like on intranet but not the world wide web. When you download ISO files from MSDN you would need Microsoft File Transfer Manager which needs ActiveX to work. Windows Sever 2008 R2 and probably the older Windows Sever 2008, IE by default is configured to not allow execution of ActiveX control even if you enable in Internet Options. I can imagine that this is done to minimize the surface attack area of the machine. To temporarily allow execution of ActiveX in IE, bring Server Manager and click on Configure IE ESC (Enhanced Security Manager). Then enable the appropriate group - for example below screen shows that for Administrators IE ESC is disabled. Open/close IE so that the changes will take effect. References: http://blogs.msdn.com/b/agileer/archive/2008/12/05/how-to-enable