While attempting to open a Windows program I get the following error message:
An error occurred while accessing the Hard Disk 0 used by "My Boot Camp". The error ID: PRL_ERR_DISK_WRITE_FAILED (80021027), errno=14 (Bad address).
An error occurred while accessing the Hard Disk 0 used by "My Boot Camp". The error ID: PRL_ERR_DISK_READ_FAILED (80021029), errno=35 (Resource temporarily unavailable).
Once this issue reproduced, first of all, please check your system.log for errors in the Console (Applications/Utilities/Console). Type "i/o" (without quotes) at Console's search bar
NOTE: In case you found an errors similar to:
Jun 15 09:54:33 User-iMac kernel: disk0s4: I/O error. Jun 15 09:54:52 User-iMac kernel: disk0s4: I/O error. Jun 15 09:55:29 User-iMac kernel: disk0s4: I/O error. Jun 15 09:56:07 User-iMac kernel: disk0s4: I/O error.
Since El Capitan you may check for I/O errors presence by opening Terminal on the Mac > then typing the following command:
It means that the disk could not be written or read -> This is critical error message. You may lose another pieces of the physical memory.
Please report this issue to Apple. Because no application can run on the damaged hardware.
It means your Virtual Machine is located on corrupted sectors of Macintosh HD and Mac OS X kernel cannot read its data from the drive.
We strongly recommend to show your Mac HD to Apple because bad sectors may indicate a hardware problem and are likely to reappear.
If no errors found in the Console, please proceed with the instructions below:
Launch Parallels Desktop but do not start your virtual machine yet.
Go to your virtual machine Configuration > Hardware tab > Boot Order.
Insert the following string into the "Boot flags" field:
- Start your virtual machine and check the issue.
Note: the error message
PRL_ERR_DISK_READ_FAILED may come with several different error codes. For the error
PRL_ERR_DISK_READ_FAILED(80021029), errno=5 (Input / Output error), please use KB #112140