Update and this warning in advance: Although known since mid-December 2014 the problem of Norton (Update: also on March 8, 2015) is currently still not been resolved. Especially the English-speaking part - - of numerous users reported since mid-December 2014 the incompatibility (on 24 January 2015 in accordance with still) current version 22.1.0.9 on Windows very problematic especially in the Norton user forum is in the software 8.1. with some software. Affected is software that sets up visible or invisible virtual disks while performing cryptographic functions. Norton created here at least the write access to those drives BSOD ("Blue Screens", ie total crashes) with the message "PNP_DETECTED_FATAL_ERROR". Specifically, even found I had this with TrueCrypt 7.1a (if a container is normal and not only in read-only mode open) and software TntDrive, can be mounted as a drive to the Amazon S3 space. In Norton user forum the same compatibility problem with other software, also standard software, the cloud services is exploited, have been reported; There, the system crashes are technically documented with so-called "dumps". Anyone working with encrypted disks, or generally with encryption software currently must still reckon with incompatibilities.
Like other Norton products these security software behaves otherwise in the core as you would expect from Internet security solutions: It is represented by a icon in the system tray; an opening of the surface and other functions can be accessed by right-clicking on this icon.
In the standard installation, the software also offers some more visible features, such as a password safe. Taste is the offer, a toolbar in the browser: install the browser and behind search engine results make a Norton rating (in my case Chrome). Commendable easy installation on other devices is by e-mail you can (or users of other computers) send a download link on the installation on the other device is possible. The versions are each adapted to the operating system; the protection for Android devices includes for example some other features that are there useful such as an analysis of Apps. It came with me to some "false positive" messages - the official Paypal app is evaluated for example with a "medium risk"; the same is true for "Twitter" or "Touch & Travel" (the latter performs very good reason automatic positioning during the activation of a ticket before, what is also obvious informed users).
Originally I had two stars awarded because Norton Security is technically deficient in the use of quite widespread software; just disappointed the performance of "app-adviser" of the Android-protection. I have therefore not only awarded a star because Norton Security for users who want to retrieve only surfing, e-mails and writing letters, perhaps in spite of these limitations is useful.
UPDATE 24 January 2015: In the meantime I have reset this review on a Star: It was not until January 23, 2015 Norton responded "formally" in their support forum on the error report. You will not announce in accordance with normal handling, when the shortage will eventually resolved. For this you ask for your understanding.
UPDATE March 8, 2015: Norton has evidenced its English-speaking customers Forum when the problem occurred on an annual license of "Norton Internet Security", in which the error does not occur. For this you have to get in touch with a staff member contact, which calls itself Liliana. One might as well just buy "Norton Internet Security" or a product of competition.
If someone with serious software defects, as I had shown them, wants to be at the mercy of an American provider who fixes such errors only after more than a month, one might buy this software. My taste not at all, this corresponds to, and I would not buy from a software company that operates one such questionable quality management.