Are you getting the backup disk image could not be accessed error 109? And, now looking for its recovery? Then, you have reached to the right place. As we all familiar with the fact that to resolve any problem related to Mac system backup disk always plays an important role for us. If one should have a proper backup of their lost documents then the chances for its recovery are reliably higher. But, what if you are getting the backup disk image could not be accessed error 109. It's really going to hamper your work and the light of recovery seems to be dimming. So, be cautious while working & saving your backup disk image. Now, the question that haunt into our mind is why the backup disk image could not be accessed error 109 emerges in midway? The answer to this question is the corruption in backup disk which might happen due to interrupted power supply, improper termination of Mac system and even due to hardware or software issue. So, in all such situations and to recover lost data files, users have to utilize Mac data recovery software. Its easy to use interface and highly reliable algorithm can easily restore Mac data files even in case of sever corruption.