Resolve boot issues showing 'prohibitory' sign. Mac OS X has several bootup symbols, including a universal 'prohibitory' sign that indicates critical files are missing from the boot volume. They don't make or break a Boot Camp eGPU setup. This enclosure swap works for some people because Windows essentially goes through initiation for a new Thunderbolt 3 device and resource allocation for the attached PCIe component. EFI boot loader, PCI.sys swap, and Windows OS Build version don't depend on the TB3 controller. Inside Boot Camp it asks for the Iso Stack Exchange Network Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. With macOS High Sierra Apple introduced the APFS filesystem with improved integrity protection. You can boot into Windows just fine, but when you wish to load a Boot Camp OS within a Fusion virtual machine the loader complains about a missing disk or some missing EFI elements. Eventually you get a blue screen Boot Manager screen with a bunch of options/ According to VMware is UEFI missing an.

So you have installed Windows 8 on your Mac machine, downloaded a couple of important drivers, configured the keyboard and trackpad and just when you are about to pat your back for your good work, new errors appear out of nowhere. Here is another error message that becomes apparent when you try to access Boot Camp on Windows 8:

KeyAgent Apple KeyAgent Driver c: windows system32 drivers keyagent.sys KeyMagic Apple Keyboard Driver c: windows system32 drivers keymagic.sys. Devices as they must appears: Boot Camp must have a Trackpad tab among others: Some tips: Right click: 2 fingers on the touchpad + trackpad button. Follow the instructions in Leopard's Boot Camp Assistant: insert the XP CD and press the restart button (in BCA). Go through the antiquated XP installation procedure. When you arrive at the partition selection you will notice that there is a partition called C: BOOT CAMP. XP installer will now ask you what you want to do with it. The drivers haven't been updated in the Boot Camp Assistant. – grg ♦ Aug 10 '15 at 10:10 is it better to revert back to windows 8.1? In General when apple going to release the new drivers for bootcamp?

Boot Camp error on Windows 8 installed on iMac.

An error occurred while trying to access the startup disk settings.

You may not have privileges to change the startup disk. Make sure you have administrative privileges and try again.

Such errors can be quickly fixed by right-clicking the Boot Camp icon, then navigating to Run as Administrator. Did that fix? Quite surprisingly, there’s was no option to run the app as administrator. But don’t worry, the problem has a solution, though it requires a little bit of effort from your end.

There may be other ways to launch or open Boot Camp Control Panel on Windows 8, but below you will find a temporary solution that fixes the above error.

What Should You Do

You will be creating a new user account to change the role of existing account, only then you can access Boot Camp Control Panel. Below you will the complete instructions on what should be done, assuming you already have two admin accounts:

1. Log off from your primary user account and sign in using the second account.
2. Now change the role of primary user to standard user.
3. Sign back in as primary user.
4. Make changes to the Boot Camp Control Panel.

It’s that simple! Once you are done with the above steps, you can go back to the second account and assign primary user account back to admin once again.

Did this help? Are you facing any other issues related to Boot Camp on your Mac or Windows machine?

Note: MacBook Pro, Air users can tweak trackpad settings using Boot Camp Control Panel.

/Mac Tips /[Fix Error] Your Bootable USB Drive Could not be Created

For Mac users, “your bootable usb drive could not be created” is a notorious and dreaded alert during Windows installation. The best way to get the job done is to use Boot Camp Assistant as long as you meet system requirements and then pay for Windows. However, without enough space on hard disk, the process cannot be completed.

Mac users have raised issues while installing windows on their systems. If you encounter your bootable USB drive could not be created, don’t freak out as you’re not alone. It’s a common issue facing a large proportion of Mac users.

This article discusses in greater depth simple ways to solve the bug.

Article GuidePart 1. Most Straightforward Ways to Fix USB Drive Couldn’t be Created IssuePart 2. More Sophisticated Ways to Resolve Your Bootable USB Drive Could Not Be CreatedPart 3. Other Alternatives to Fix the ErrorPart 4. Conclusion

Part 1. Most Straightforward Ways to Fix USB Drive Couldn’t be Created Issue

Update macOS or Use Up-to-the-minute Edition of Windows 10

When you check Disk Utility, you may find the HD has hundreds of gigabytes and yet Mac says space is unavailable. First ensure you’ve the latest macOS update from Apple’s official website. The error message doesn’t mean you’ve insufficient space on your local disk but on your external USB drive.

You need up to 16 GB depending on the existing Window installer.

If you encounter your bootable USB drive could not be created, or that there is not enough space available on the disk, Apple has prescribed a simple solution.

Follow these steps to get Boot Camp Assistant up and running again.

Install Up-to-the-minute macOS Updates

You may get an error on insufficient space while installing Windows on Mac if you don’t have the latest version. Update macOS to the latest edition to tackle the disk constraint by following the steps below:

1. Click menu, head to “System Preferences” and hit “Software Update”.
2. Click “Update Now” to launch the process and upgrade your macOS to the latest version.
3. Once you identify and neutralize the bug causing the not enough space to create a volume by updating, try to reinstall Windows

Download the Latest Version of Windows

The error related to your bootable USB drive could not be created may occur due to an obsolete Windows version. Go to Microsoft’s website to access the latest edition and then invoke Boot Camp Assistant to install smoothly.

1. Download the latest edition of Windows at Microsoft’s official website.
2. Navigate to the “Utilities” folder via “Finder”.
3. Fire up your Boot Camp Assistant and hit “Continue”.
4. Choose the Windows ISO file that you downloaded and tap on “Continue”.
5. Partition your disk and implement the onscreen instructions to install a later edition of Windows.

Now you’ll install Windows with Boot Camp Assistant without errors.

Part 2. More Sophisticated Ways to Resolve Your Bootable USB Drive Could Not Be Created

Solution #1- Unmount the ISO File

The common error which occurs while copying Windows on Mac has also been linked to the ISO file. Accordingly, you’ve to dismount the ISO file to fix the bug at the drop of hat. The mounted ISO file resides on the desktop of your Mac system.

Next, right-click on the file and then hit the “Eject” option displayed. Once this is complete, fire up “Boot Camp Assistant” and partitions your hard drive to set up the bootable USB drive. This should remove Windows installation errors like Boot Camp Assistant not enough space.

Solution #2- Craft a Windows 10 Boot Camp USB Installer

Setting up a Windows 10 Boot Camp USB installer packs another punch to overcome the dreaded error message.

1. Plug in a USB drive with more than 8 GB of free space.
2. Format it just like an MBR/FAT32 or delete all contents.
3. Dash off to Apple to download BC6 drivers into the USB drive.
4. Install all the Windows ISO files in the USB drive.
5. Invoke “Disk Utility” and churn out an FAT32 partition.
6. Now, boot the system from the USB drive and choose the FAT32 partition as the recipient before installing Windows,

This should resolve the issues stemming from Windows installation on Mac.

Note: In case you implement the foregoing methods and still get the error alert “Boot Camp says not enough free space…”, then you’ve to change tack. It’s possible there’s no sufficient free space in one congruent area on your SSD or fragmentation has inhibited partition. Try to use a larger flash drive like 128 GB to transfer Windows installation data.

Part 3. Other Alternatives to Fix the Error

Superior ISO Editor

Dedicated ISO editor tools developed to extract, burn, generate, copy disc, or edit your bootable disk without data hemorrhage. The tool will regenerate the downloadable ISO file which packs it down to shrink its size to make it amenable to the bootable disk. It fully supports macOS and Windows OS.

The Best Alternatives to Boot Camp Assistant

Keymagic.sys Error Mac Boot Camp Error 10

You can resort to Boot Camp alternatives designed to encourage the running of Windows applications on Mac. Virtual machine applications foster ultimate compatibility. However, virtualization takes a heavy toll on your Mac’s memory or processing power.

Golden Tip: Using PowerMyMac to Free Up Precious Space

iMyMac PowerMyMac offers a powerful decluttering tool for tired computers while it’s developed to remove disk errors from your hard drive and enhance safety. Coming from a reliable developer like iMyMac, it integrates intuitive features to easily wipe away unneeded app with gigabytes of junk for peak performance. It’s a multi-arsenal toolkit with everything you need to tidy up, optimize, and shield your Mac system.

We highly recommend this top-class cleaning and optimization tool to take your system performance a notch higher.

Keymagic.sys Error Mac Boot Camp Error Codes

Part 4. Conclusion

In all, the methods discussed above should fix the error message “your bootable USB drive could not be created”. For novices who’ve a nodding acquaintance of Boot Camp Assistant, installing Windows on Mac is a brain-racking task. With a bootable Windows USB, Mac users can quickly conduct fixes or run installations on Windows-based computers with portable benefits.

However, this error doesn’t appear on earlier Windows versions because the installation ISO clocks in at less than 4G. The error affects those running Windows 10 ISO with October Update.

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