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G Data Antivirus for Windows Review

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PROS / You can install this antispyware software on up to three separate computers.

CONS / It does not automatically scan external USB devices like flash and external hard drives.

 VERDICT / The benefits of this software are outweighed by performance issues and missing features.

Editor’s Note: Top Ten Reviews uses test results from the independent laboratory AV-Test as part of our review process for the best antispyware software. AV-Test looks specifically at protection, performance and usability on multiple versions of Windows operating systems, and it performs these evaluations several times throughout the year. We use the most current AV-Test scores available at the time of our review. It is possible that new AV-Test scores will be released after our review goes live on the site. We will consider these scores during our next review of the best antispyware software.

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G Data ranks near the bottom in our review of the best antispyware on the market. It does a decent job of protecting your computer from spyware, viruses, Trojans, worms, rootkits and more. But it lacks key detection and removal features like vulnerability scans, virtual browsers and the ability to create a rescue CD.

  1. This score, taken from AV-Test.org, reflects how well antispyware programs detect and remove threats from an infected computer.
    Higher is Better.
  2. 9 G Data
  3. 100%
  4. 100%
  5. 100%
  6. Category Average

AV-Test regularly puts all the spyware removers on our side-by-side comparison chart through a battery of tests to determine how effective they are. In the protection and usability tests, G Data scored 92 percent, which is about the average for the spyware removal software in our review. This means that you're protected from almost all common threats with very few false positives.

Unfortunately, G Data only scored 75 percent in AV-Test's performance test; the average score on this test was 83 percent. The performance test measures how well the software uses your system resources. You can expect at least some delays in other computer activities when you use this spyware removal software. Downloads, uploads, other applications, games, streaming and more may all lag while G Data is running.

You can install this software on up to three computers, which is great because many people own or use multiple computers. Most of the antispyware software we reviewed only allows you to protect a single machine. Using G Data saves you money because you don't have to buy a separate license for each machine you own.

This spyware removal software is missing some key features we look for in this category. For example, it does not automatically scan USB devices like thumb and external hard drives when they're connected to your machine, which can result in your computer becoming infected with spyware or other viruses. It also lacks the ability to create a rescue CD to revive your computer in the case of a catastrophic infection, and it has no virtual web browser to provide enhanced protection for your personal information like credit, bank account and Social Security numbers. The best spyware removers in our review have some or all of these features.


G Data is an antispyware program with middling AV-Test scores and is missing some critical features we look for in this category. It protects you from most threats but hogs your system resources. It doesn't scan external USB devices or create rescue discs. It's an OK program, but in the world of antispyware protection, OK isn't good enough.

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