Welcome to the original online Mac user community!

That's the only anti-malware program I actually have. Good time to ask - what is your stance on those real time scanner apps? There are no viruses like in Windows, but I've noticed how Mac community tends to split when it comes to advice if to install real time scanner or not. What would you advice...

Does that Canon driver download contain the software for scanning? I see it listed there, but not sure if it is downloadable. Should I should remove that software I got from CD just in case it it causes security issues? A separate scanner driver is listed there. I would try OS X's universal scanner...

Do you think CDs like these could be therefore harmful in some ways? Harmful, yes… in the sense that they won't have bug fixes or security patches that later versions you download from the manufacturer's website will. I did uninstall Gutenprint after it refused to work. Though why? Would it harm Ma...

I recommend never, ever using the CD that comes with a printer. Even when you buy a new printer, these CDs were likely printed many months prior and there is undoubtedly newer, updated drivers available on the website. I would also uninstall anything that you've attempted to install so far, includin...

Repairing permissions occasionally fixes problems with certain system errors but it's pretty rare these days that ever needs to be done. Why are you using Gutenprint and not your printer's OEM drivers? What kind of printer is this?

I really don't think it's possible for a legitimate video file to contain malware. Now if it's an application or script disguised as a video, that's another thing.

When in doubt, just download and run Malwarebytes Mac - the free version is on-demand scans only, not real-time protection, which I prefer anyways. I really don't know of a way for a video file that plays an actual video to contain malware.

Have you checked that you disabled spaces? Have you verified that your screens are arranged properly (one on top of the other) in System Preferences?

Have you checked that you disabled spaces? Have you verified that your screens are arranged properly (one on top of the other) in System Preferences?

Apple unveiled the iPhone 7 today - better cameras, faster hardware, brighter screen and no headphone jack. As an iPhone 6 user, I'm looking forward to this as my next phone upgrade. What's everyone's reactions? iPhone Apple has sold more than one billion iPhones since the first version launched in ...

Hello Joanna, This doesn't sound like an overheating processor to me. Maybe some running processes that is going out of control. Can you please launch Activity Monitor, sort by CPU usage, take a screenshot and upload it here for us? Screen Shot 2016-08-19 at 9.39.52 AM.png Also, can you go to the Ap...

Well we can go through some steps for troubleshooting. Firstly, the server must be playing video for it to "broadcast" a signal to clients. Can you verify that you start the server first before attempting to connect? Secondly, there cannot be two active networks on either of the Macs. ArraySync uses...

If you have the two Macs directly connected to each other with an ethernet cable, this is the cause of the problem. They must both be connected to a router.

Can you attach a screenshot of your ArraySync window please? Are both screens attached to one computer and recognized as two separate screens by ArraySync?

What 3D application is this out of curiosity? I know Windows 10 had a lot of problems at first, but it's been almost a year now and a lot of bugs and incompatibilities are worked out. Is Windows 10 not a free update in your area? You could always try it out and then switch back.

Is it possible that these problems could be solved with Windows 10? Windows 10 would contain a lot of native drivers for the hardware in a 2012 iMac that Windows 7 would not. Have you considered this possibility? For example USB 3 is specifically listed as a supported feature here: https://support.a...

Thank you for clarifying this for me. This now sounds like a codec issue. I have a hunch you might be using a delivery codec such as H.264. Try exporting a video to Apple Intermediate Codec (a production codec) and you should see better results. This will result in huge file sizes but much easier vi...

If your videos start playing for a few second and then start over, it might a router issue. Please make sure both UDP and TCP ports 9201 are open and not blocked by any sort of firewall. Sounds like the clients are making the initial connection to the server but not maintaining sync. Also another pr...

You’re running into the Mac activation bug outlined here. Check that out for a solution!

Are you saving the photo file somewhere on your computer then setting it in System Preferences? Or are you right clicking on it in Safari and clicking “Use Image s Desktop Picture"? I find the latter sometimes doesn’t stay.