### AntiVirus Protection System Check displays a warning if it detects antivirus protection is enabled. Turning off antivirus real time scanning (also called memory resident protection) is recommended before continuing with the install. Note: Remember to enable this feature after the installation is complete. System Check checks to make sure virus protection or anti-malware software is not active on the machine. The test writes a test string to disk. If it is missing at the time of the test, it assumes that it has been removed by the virus protection software. The file written to disk contains the EICAR anti-virus test string which most virus protection software companies have included in their databases to test their software will quarantine files. Disabling Windows Defender in Windows 8, 8.1, 10 Windows Defender is enabled by default in Windows 8, 8.1 and 10. Kaseya Server Setup will not complete the install while Windows Defender is enabled. To disable Windows Defender: Exit Kaseya Server Setup if it currently running. Click Explorer. In the Explorer address bar, enter: `Control Panel\All Control Panel Items\Windows Defender` Click the Settings tab. Uncheck Turn on real-time protection (recommended). Click Save Changes. Restart Kaseya Server Setup.
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