Touchwiz home has stopped message

My Samsung S3 has been working fine for a couple of years now and all of a sudden it started freezing randomly. Sometimes with the message “Touchwiz home has stopped“, sometimes with no message and a frozen screen.

I don’t remember having installed any new application and there were no system update from Samsung. In fact it was just the opposite, the internal memory was almost full so I uninstalled a few apps and moved all other apps (that allow it) to SD card. Can this break the screen manager database?

Fortunately even with a frozen screen, not responding to screen touch at all, a long press on the power button would show the restart dialog box and even thought after pressing the Ok button it looked frozen again, it would restart after a minute or so. So I was lucky I didn’t have to take out the battery each time to restart it.

Looking around internet I found lots of people complaining about this issue, it is some kind of instability on Samsung TouchWiz touch screen manager, an improvement on the Android default touch screen manager made by Samsung. In this post you can learn more about Samsung TouchWiz, the pretty girl will tell you all about it :-) But I didn’t follow the instructions on that page, please read on.

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Get rid of “Install Windows 10” message

This is very annoying and confusing, I know several people that installed Windows 10 by mistake on old hardware and are now having trouble using their PCs. The following information is based on Windows 7, in previous versions of Windows the screens are different but its the same principle.

The Install Windows 10 app comes in as an Optional Windows update. If you are like me and prefer to chose whats installed in your PC you should still have it pending, open up the Windows update app (Control Panel / Windows Update), click on the Optional tab and look for KB3035583, click on it, its description at the right pane wrongly says: Install this update to resolve issues in Windows.

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B&R Automation Studio compile error: undefined reference to `FileOpen’

I was working with another programmer in the same Automation Studio project that was shared using SVN, and after a new SVN checkout I had this compiler error message:

Error : undefined reference to `FileOpen’

So it looked like someone started using some file handling library, looking around the documentation I realize that it is the FileIO library. The undefined reference means the corresponding binary file was not found by the compiler…

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Arch Linux install on Virtualbox VM

I’ve installed Arch Linux in a few VM’s (Virtualbox / Windows 7) and each time it is slightly different. These are my notes from a successful install. Virtualbox v4.3.22, Arch Linux 2015/02/01.

Start by downloading the ISO image of the latest Arch Linux distro, use the torrent link to go faster. You can use Deluge, an open source torrent client. Burn it to a CD so it can have it at hand. InfraRecorder works great and it is open source.

Start Virtualbox and create a VM, if you type “Arch” in the new VM name it will automatically change the type to linux and the version to Arch linux 64 bit, nice! I want a small VM so I just configure 1024Mb of RAM and 50Gb of virtual hard drive.

Insert your Arch Linux CD and start the new VM, sometimes you need to go to Devices menu and set your CD reader, sometimes it is already done for you.

Boot your system from the CD /first option) until you get the shell prompt, then using fdisk create new partitions in your new virtual drive. There are lots of info on how to create partitions so I wont get into details. Anyway I was following the Arch Linux documentation, the installation guide is great.

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Virtualbox on Asus MAXIMUS VI EXTREME mobo

I had some trouble making Oracle Virtualbox work on my Windows 7 PC. The motherboard is an Asus MAXIMUS VI EXTREME and for some reason the hardware virtualization is disabled on the BIOS settings. What this does is, when creating a new VM, in the versions combo box we only have the 32 bit versions of the proposed OS’s.

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After going to the BIOS settings and changing “Intel Virtualization Technology” to “Enabled” we have both the 32 bit and 64 bit versions available.

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