App store download high sierra unknown error

For other ways to fix a Mac that won't start, check out our guides how to Use OS X boot options to troubleshoot your Mac and how to fix a Mac that won't start. Some people have been reporting a problem where macOS High Sierra keeps randomly logging them out of their Mac.

Remember the security implications of this, however. Some people have noticed that a Guest Account has suddenly appeared in their login screen after installing macOS This icon often has graphical artifacts that accompany the Guest User account. This appears even if you have not enabled guest accounts. Press 'Enter' on your keyboard, then enter in the password you use to log in to your Mac as an administrator. There have been issues reported of people experiencing problems connecting to the internet and Wi-Fi networks since upgrading to High Sierra.

If you're encountering a Wi-Fi problem, first try turning your Wi-Fi adaptor off and on again. Wait a few seconds, then select 'Turn Wi-Fi On'. If that doesn't work, you may need to change the name of the Wi-Fi network, and the password. To do this, you'll need to log into your Wi-Fi router. The method for doing this will vary depending on the make of router you have, so check the manual for your device before you begin.

One reader contacted us with this problem, and they fixed it by uninstalling a VPN app they were using. This may be worth trying as well. Another common macOS High Sierra problem is that some apps no longer work once you've upgraded to the new operating system.

This is especially common if you are using older programs. If you find that an app you used to use no long works in macOS You should also check the website of the software.

This may contain updates or advice for getting your hardware to run. If that's the case, you should consider buying a newer version, or finding an alternative. Here's a list of some of the apps that don't currently work on macOS High Sierra.

If you use them, consider upgrading to a newer version. If your Mac is running noticeably slower after upgrading, there are a number of things you can try to speed up macOS High Sierra and fix any problems that are slowing it down.

First of all, try restarting your Mac to see if that helps. Reply I have this question too 35 I have this question too Me too 35 Me too. Desktops Speciality level out of ten: 1. Answer: A: Answer: A: Yeah, you should have mentioned that you are doing this on a model mac. Connect it to your router via cable, not WiFi.

View answer in context. All replies Drop Down menu. Loading page content. Desktops Speciality level out of ten: 0. Reply Helpful 3 Thread reply - more options Link to this Post. Show 12 more comments. Active Oldest Votes. It should work. Improve this answer. Out of curiosity, where is NetworkPreferences.

This didn't work for me, unfortunately. AlexKaushovik - Were you experiencing the same problem my original question posed? This did work for me. Show 1 more comment. Curtis Curtis 11 1 1 bronze badge. Add a comment. Remove all network adapters. How does this answer differ from the accepted one besides the first step which is specific to Hackintosh'ed models?

Because the accepted answer is working only for some Hackintosh models while this one is working for others. Since original question doesn't indicate that if it was a Hackintosh or not, I wanted to write the solution worked for me. The fact that the asker called Apple Support seems to indicate that Hackintoshes are not involved here at all You are right.

I didn't notice. These receipts tell the Disk Utility what the permissions should be. If OS apps are not working properly, or your Mac is freezing while in use, then a virus scan may be called for. Actually, you should always do a malware scan anytime your computer experiences an issue. Viruses cause all sorts of problems, including but not limited to preventing certain apps from launching.

Find yourself a good antivirus program, launch it, and let it do its work without interruption. Delete whatever files it finds to be incompatible with your system. If you are certain that your Mac freezes only when you launch a specific app, then you should consider deleting that app, downloading its latest version and reinstalling it. Follow these steps to delete an app on Mac OS:.

If this happens, you may need to delete the remnants of the app from the Library folder. Here is how you do that:. Drag them to the Trash. Safe mode is a barebones version of your operating system.