Mac Error Code 20 represents a specific problem and need to be resolved soon if you do not want to lose important data. If you want to fix this problem then you need to know certain basic facts before proceeding any further. Although Mac OS X is one of the reliable operating system as compared to others however it does not mean there can't be any error on it. Of course, there can be and Mac Error Code 20 is one such system error which is mainly caused due to inaccessible system files. When the Mac system is not able to locate a standard file directory, it eventually result in Mac Error code 20. It might be possible that you also lose your important data. Therefore backup of the data would be handy to restore data in case of this particular error code. if you do not have appropriate backup then look for third party Mac data recovery software. It is the most reliable tool to restore the missing file due to this error code. No matter whatever the reason of data loss, this application successfully recovers the lost, corrupted file. It is designed with latest techniques which scans the corrupted files and restores them at the desired location. It is the perfect solution to recover lost data due to Mac Error Code 20.