My best friend has an old ASUS K50IJ notebook PC which came pre-installed with Microsoft Windows 7 Home Premium Service Pack 1 64 bit and he's been having problems with the operating system and his favorite software applications repeatedly. He had to do four system recoveries from scratch in less than two years. He visited me at my apartment tonight and he wanted me to do another system recovery again. Unfortunately, his PC got infected with various malware including TDS and ransomware. Now, I can't do a system recovery because the hidden recovery partition is corrupted and infected with malware. So, I called him tonight and I told him the situation and I recommended that he install Ubuntu 12.04.3 LTS 64 bit. I'm installing it right now and it is working. It's too bad that this happened to him, but he is retired and he is the type of PC user to click on anything and everything in order to download content for free. It's no wonder that he got infected with malware. I'm not saying that Ubuntu is going to protect him from every threat in this world, but it will be much safer and more secure than Windows 7 with it's large number of malware that targets Windows users. He didn't sound happy with this reality, but he resigned to it and I guess this is the way that Microsoft converts are made. It's really a shame, but there is no way to do another system recovery or to install Windows 7 on his PC from scratch because I don't have any extra product keys. In the future, I just hope that he'll learn to like Ubuntu, but he's old and retired and it's going to be a steep learning curve for him. Fortunately, his online accounts are not compromised.