Endurance Test: Does antivirus software slow down PCs? Critics maintain that protection software for Windows really puts the brakes on PCs. In a 1. 4- month, extremely comprehensive performance endurance test, AV- TEST examined the trade- off of performance versus protection, and came up with some conclusive answers. For the reader of an endurance test, the provided rating for speed or performance of a product is only expressed in one single aggregate number. For the tester in the laboratory, it's a long journey to arrive at this number. To get there, he had to accompany a solution through 7 test rounds over 1. Of the 1. 9,0. 00 individual ratings per product, 3. It requires this time and effort to arrive at the rating for a single product. In the current endurance test from January 2. February 2. 01. 5, a total of 2. Why Does Your Computer Slow Down Over Time? Want to learn more about how BoldTech Solutions can help you spend less time worrying. Windows Vista End-of. AV- TEST. In this, the tests alternated in the use of the operating systems Windows XP, 7 and 8. In addition, a Windows system with the freeware Microsoft Security Essentials or Defender (for Windows 8/8. The reference system without any protection software was used for later comparison of the measured performance ratings. A more in- depth explanation on the topic of reference systems can be found later in the .
Causes Of Computer Slow DownIf an antivirus application slowed down a system between 0 and 2. For 2. 1 to 4. 0 percent there were 2 points, for 4. Endurance Test: Does antivirus software slow down. Does antivirus software slow down PCs? The result indicates that good security software does not heavily slow. While you can't completely negate computer slow-down as it pertains to age, you can do a. Cookies make. Why does a computer slow down over time? Compress and Uncompress a Folder or File in Windows Vista; Set Your Computer to Shutdown at a Specified Time;. Does keeping lots of files on your desktop slow down your computer? Have used Windows 98, XP, Vista, 8, and 10. This can lead to a slow computer. All partial results of the tests were aggregated and at the end divided by the number of 7 test rounds. As previously mentioned, the maximum perfect score was 5. Following close behind are the security packages from Bitdefender and Qihoo 3. All other 1. 4 products are above that threshold. If the system is protected by the Windows built- in Security Essentials or Microsoft Defender, the load is 8. No product attained the worst score of 2. In the test, the reference system without any protection requires just over 1. AV- TEST containing 3. GB. A Windows system with an installed Kaspersky security application examines the files and requires 1. The application finishing last, Threat Track, requires over 3. Downloading files from the Internet. In order to ensure that all the products have exactly the same line for downloading, a server is used as a download server in a separate test network. All the programs offered on the server are available unmodified in the same version during the entire test period. This guarantees the identical download scenario during the endurance test. Most security packages scan the data or the data stream during the download and may thus slow down the procedure. Nearly all the products handle this task so well, however, that the scores fall below the 2. Only the products from Avira and G Data are slightly above this level on average and for that reason are penalized with somewhat more load points. Launching websites. For this test, a few dozen premium websites are launched, such as Amazon, Yahoo, Apple or Google. The Internet Explorer of the test operating system Windows XP, Windows 7 or Windows 8. The selected websites are always highly available in the web and therefore perfect for the comparison. Because in final analysis, only three products achieve a low load level under 2. Bitdefender, Kaspersky and Mc. Afee. An additional 2. For this reason, those products also receive 2 load points. The only anomaly here is the product Threat Track, which slows down the website launch tremendously and therefore scores 4. Installing applications. In the test, applications are installed per command line (without clicks), and the time is clocked for this operation. Included in this test section are popular programs such as the Flash Player or the Adobe Reader. The applications and their versions are naturally identical throughout the entire endurance test. The findings show that many security programs delay the installation procedure to a certain extent. Bitdefender, Bullguard, G Data and Trend Micro remain within normal bounds, thus only scoring 1 load point. An additional 9 solutions are between 1 and 2 points on average, 9 products score between 2 and 3 points, and Microsoft Security Essentials or Microsoft Defender even above 3 load points. Opening applications, including a file. In this test, a DOC file, a pdf file and a presentation file – all having a large size – are opened repeatedly and directly with Libre. Office. The security packages monitor the access and the opening of files. Some solutions thus delay the procedure. In this area of the endurance test, the products from Bitdefender, ESET and Kaspersky were hardly noticeable and thus received only 1 load point. An additional 1. 6 products were above 1 point on average, 4 solutions scored even 2 or more load points. Copying files. Especially when copying data under Windows, most security solutions cause frustration among users. That is why the lab team examined how heavily the products delayed the copying of files. The test featured a 3. GB set with a wide variety of file types such as films, images, graphics, documents, pdfs and programs. Up to this test phase, most of the products were still virtually neck and neck. Due to the findings in this test category, however, many security packages fell behind the top finishers. They considerably slow down the copying procedure under routine conditions. This fact is also reflected in the overall findings. Because these computers might perform differently, however, they were selected from a pool of 6. PCs. All the PCs were tested multiple times with unprotected windows XP, windows 7 and Windows 8. The computers of identical speed were then defined as test systems. Their speed ratings serve as a reference for the test. Before and after each product test, it was evaluated whether all the computers still delivered the same reference ratings. Afterwards, a status quo ante of the PC is re- established with the help of a disk image, including the installed application. Then the test is performed again, the system is rebooted, and the battery of tests to be conducted is repeated again. The PC is rebooted and tested several times, then the system is restored with the help of the disk image, and the procedure starts all over again. At the end, there are a minimum of 2. For some 9. 0 test steps per product, from 1,8. In an endurance test lasting 7 test rounds, an actual 1. In the test with 2. The individual scores are calculated in groups according to the mean value and standard deviation. The group with the lowest standard deviation therefore has the lowest possible error ratio. This is then used for additional calculation. The procedure of analysis used is standard statistics and eliminates the skewing of results due to outliers. A few systems resources are required, which slows down the PC, just like with any other software application launched. The products from Kaspersky, Bitdefender and Qihoo 3. This is clearly demonstrated by the products from Norman, Quickheal and Threat Track. These security packages cause the copying routine to run 2. Kaspersky software, for instance. This may indeed occur for special configurations and particular hardware and software combinations. Those who are uncertain whether the fastest software is right for them ought to try the following test: First, create a system backup, then load the test software and try everything out yourself. If something doesn't quite perform the way it should, then you simply revert to the backup.
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May 2018
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