MacBook Pro 2017 13寸TouchBar安装Windows遇支持软件存储错误求助

Hey there, sorry to hear you're stuck on this frustrating Boot Camp error—let's walk through some targeted fixes that have resolved this exact issue for similar 2017 TouchBar MacBook Pros running macOS Sierra.

• Update macOS Sierra to the latest version
  Outdated system files are a common culprit here. Make sure you're running macOS Sierra 10.12.6 (the final update for this release). Head to Apple menu > About This Mac > Software Update to install any pending updates, then restart your Mac before trying Boot Camp again.

• Repair your Mac's startup drive with First Aid
  Corrupted disk permissions or hidden drive errors can block Boot Camp from saving support files. Here's how to fix it:

  1. Restart your Mac and hold Command + R to enter Recovery Mode.
  2. Select Disk Utility from the Utilities window that appears.
  3. Choose your main macOS drive (usually labeled "Macintosh HD") from the left sidebar.
  4. Click the First Aid button, then Run to let Disk Utility scan and repair any issues.
  5. Once the process finishes, restart your Mac normally and give Boot Camp another shot.

• Reformat your USB drive with the exact correct settings
  Even if you formatted to FAT32 before, the partition scheme might be wrong. Follow these steps precisely:

  1. Open Disk Utility on your Mac.
  2. Select your 16GB USB drive from the sidebar (make sure you select the top-level drive entry, not the volume underneath it).
  3. Click the Erase button at the top of the window.
  4. Set Name to something simple like "WINBOOT".
  5. Set Format to MS-DOS (FAT).
  6. Set Scheme to Master Boot Record (this is critical for Boot Camp compatibility).
  7. Click Erase and wait for the process to complete. Then use this drive for your Boot Camp installation.

• Manually download and copy Windows support software
  If Boot Camp can't download the files automatically, bypass the built-in downloader:

  1. Open Boot Camp Assistant, then go to the menu bar and select Action > Download Windows Support Software.
  2. Save the downloaded files to a folder on your Mac's internal drive (not the USB drive yet).
  3. Once the download finishes, copy the entire "WindowsSupport" folder to the root directory of your formatted USB drive.
  4. Now launch Boot Camp Assistant again—when prompted, select the USB drive with the preloaded support files.

• Temporarily disable System Integrity Protection (SIP)
  SIP can sometimes interfere with Boot Camp's ability to write files to external drives. Note: Only try this if all other fixes fail, and remember to re-enable SIP afterward for security.

  1. Restart your Mac and hold Command + R to enter Recovery Mode.
  2. Open Terminal from the Utilities menu.
  3. Type csrutil disable and press Enter.
  4. Restart your Mac, then attempt the Boot Camp installation again.
  5. Once Windows is installed successfully, restart into Recovery Mode again, open Terminal, and type csrutil enable to re-enable SIP.

内容的提问来源于stack exchange，提问作者Jonathan maquiran