This article helps you resolve the problem where a 0-byte file might be returned instead of the expected file when compression is enabled on a server that is running Microsoft Internet Information Services IIS. Original product version: Internet Information Services 8.
Exclude the IIS compression directory from the antivirus software's scan list. The steps may vary based on the antivirus software you're using. Microsoft recommends you contact the manufacturer of the antivirus software for information about how to exclude directories from scanning. The default compression directory in IIS 6. Kaspersky Lab maintains that no public evidence of any wrongdoing has been presented by the US government, and that the US government's actions against Kaspersky Lab were unconstitutional.
In Kaspersky's favor, it continues to earn top scores and awards for virus and malware detection and endpoint protection from independent testing labs.
And it's reasonably priced. In the end, even though no one has ever publicly produced a "smoking gun" linking the company to Russian intrigue, we think any of the options listed above are a safer bet. And if you are a US government employee or work with the federal government, you'll want to steer clear of Kaspersky internet security products -- and perhaps use one of the antivirus software products mentioned here instead.
Picking the best antivirus software for Windows means finding one that keeps your PC safe, doesn't take up a lot of system resources, is easy to use and stays out of the way till you need it. Here's what to look for. Antivirus software runs virus scans for known viruses and malware, of course, and can offer real-time protection. And it watches for shady websites and suspicious links to keep you out of trouble. It can also offer ransomware protection and monitor unexpected behavior that may be a sign of new and not-yet-identified viruses and malware.
You want antivirus software that can successfully identify these unknown online threats without flagging too many false positives. Light on system resources. You don't want antivirus software that taxes your PC's resources. If after you install the program, websites open slowly, apps download or open sluggishly or file copies take longer than expected, you may want to try another service.
The good news is, all our picks offer a free trial to let you try out the antivirus program, so if your system feels sluggish after installation, you may want to keep looking. Cost and discounts. Don't just pay the sticker price for antivirus protection. Before you buy, check for discounts on a company's website. Another way to save: The prices we list above are for 10 devices -- if the company offered that package -- but you can trim your cost with antivirus packages if you need to cover three or five devices.
You may also find discounts on an app's Amazon page. To be effective, antivirus software needs to monitor what's going on with your PC, check in with company servers about unusual behavior and should provide sound banking protection. The companies say they anonymize this technical data as much as possible to protect your privacy. But if you want to know more, the security companies on our list post privacy policies on their websites, so read their privacy statements to learn what the companies do with the information you share.
Protection for other platforms. Microsoft is by far the biggest target for viruses and malware. While the Mac does come under attack via side-loaded apps, it's rare, and if you download apps only from the Mac and iOS app stores and keep your guard up when clicking links and download files, you should be OK without an antivirus app on Apple devices.
CNET editors pick the products and services we write about. When you buy through our links, we may get a commission. Best free Windows antivirus Microsoft Defender.
Jump to details. See at Microsoft. See at NortonLifeLock. See at Bitdefender. Best on-demand Windows malware removal Malwarebytes. See at Malwarebytes. Solid subscription antivirus alternative McAfee Total Protection. See at McAfee.
Another good subscription option Trend Micro Maximum Security. See at Trend Micro. See at ESET. Alternative free Windows antivirus Sophos Home. See at Sophos. Our recommendations Looking for free antivirus protection, malware protection or virus detection, willing to pay for an antivirus program that offers broad internet security coverage across all your devices, including from ransomware and phishing, or need to remove a computer virus or malware from your PC right now?
As a result, your personal information is everywhere, leaving you exposed and potentially vulnerable to ever-evolving cyberthreats. Norton and LifeLock are now part of one company with a single mission: to be your ally in the fight against cyber threats and more. One plan, unified protection. Norton Questions.
What is different about Norton ? Do you offer a free trial? Device Security Questions. How many devices can I install Norton Device Security on? Why is Norton security software more expensive than other antivirus offerings? I just want antivirus. What is spyware? How do you protect against it? Use reputable antivirus software. What is malware? What is ransomware? In addition, help protect your data and personal information from ransomware by: Update your operating system and other software.
Software updates frequently include patches for newly discovered security vulnerabilities that could be exploited by ransomware attackers. Email is one of the main methods for delivering ransomware. Avoid opening emails and attachments from unfamiliar or untrusted sources. Be wary of any email attachment that advises you to enable macros to view its content.
Once enabled, macro malware can infect multiple files. Unless you are absolutely sure the email is genuine, from a trusted source, delete the email. Back up important data to an external hard drive. Attackers can gain leverage over their victims by encrypting valuable files and making them inaccessible.
If you have backup copies, the hacker no longer holds the upper hand. Use Cloud Backup. This can help with loss of files in case of a ransomware infection, since having copies of your files available in the cloud gives you a back up plan in case of ransomware. What is phishing? What is a Smart Firewall? Why do I need this? What is the Virus Protection Promise? What is Cloud Backup?
How can I protect my kids from online threats? What parental control features are offered? Can I monitor how much time my kids are spending online? Can I monitor what sites my kids are going to online?
Can I monitor what my kids are searching for? Identity Theft Protection Questions. What is identity theft? What is the Dark Web? What does Dark Web Monitoring do? Can I add additional users to receive LifeLock protection? I have free credit monitoring. How is this different? Why do I need credit monitoring at more than 1 bureau? How can I make sure my Wi-Fi connection is safe? What does bank-grade connection mean?
Do I need to use VPN if my wireless connection has a password? What devices does this work on? I have free VPN software. What is SafeCam? Installation Questions. Why do I need a Norton account? How do I install Norton ?
How do I turn on Norton ? How do I remove Norton ? What operating systems are supported with this product? System Requirements. Device Security Device Security. Must have Google Play app installed. Your subscription begins when your purchase is completed or otherwise, when your payment is received.
You must download and install on each device, or complete enrollment to get protection. Special offer s may expire at any time at NortonLifeLock's discretion.
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