
Hyper-V turns different OS into virtual machines (“guest”), which run in tandem on a single computer (“host”). When using the tool, there’s no need for physical hardware injected into machines. Hyper-V simplifies the lives of software developers, professional IT workers or tech-savvy people who opt for working or experimenting with multiple OS, including various Linux releases, FreeBSD, and Windows. It’s a utility, which replaces Microsoft Virtual PC and allows running multiple operating systems on a single device. Hyper-V is not a tool for inexperienced PC users. If you are the administrator for the computer, restart Windows and log in with your administrator account, then follow the steps above.To restore your computer's peak performance, you have to purchase licensed version of Reimage Reimage repair software. Contact your administrator for help with this. Note: If the Change settings button is still greyed out, your administrator may have disabled the option for you to change the settings. You can now make changes to your Windows Firewall settings. If a User Account Control window appears, click Yes, or enter your user name and password, then click OK. When you try to change your Windows Firewall settings, the options are greyed out and you can't make any changes.Ĭlick the Start button, then type Windows Firewall in the Search box.Ĭlick Windows Firewall, and then click Allow a program or feature through Windows Firewall.Ĭlick the Change settings button.


Windows Firewall settings are greyed out Symptoms
