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Damaged MBR (Master Boot Record): When the master boot record is damaged, the operating system may have difficulty trying to detect partitions or identify their settings.Absence of file header data or sector data means there is a high chance that the file canвЂ™t be open вЂ“ even after recovery. However, if the file contents are made up of a number of fragments scattered all over the drive, some sectors containing important information essential for file recovery may get lost.

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If sectors are located next to each other on the disk and the recorded file makes up a single entity, then a data recovery app finds it much easier to run signature analysis of the file contents and recover it in full without damage.

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Excessive fragmentation of the storage device: A storage device writes any information to sectors (clusters) which are free and available for record at the present moment.

The more such overwritten sectors there are, the higher are the chances that contents of a deleted file canвЂ™t be shown after recovery. Following its own logic, the system may select al or only specific sectors and write new data there вЂ“ and this operation deletes any previous records.

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When executing a command to save a new file the system checks the storage device for free space in accordance with its marks, and writes new data.

The file contents overwritten with other data, partially or completely: When you delete a file, in fact, only a file reference is removed вЂ“ which contains all information about it: size, location, format etc вЂ“ and the operating system marks the space occupied by such file as free and available for writing new data there.

As a result, users wonвЂ™t be able to open such files.

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Viruses can distort information in files to prevent further repair, even by professional data recovery software (for example, they fill the file contents with zeroes and ones, erase records on the fileвЂ™s logical structure etc).

Sector contents distorted or erased by a virus attack: Malware (virus) developers use various algorithms to destroy or damage internal contents of files, and the range of malware threatening your computer today is enormous.

If a bad sector contains information on the file structure, the corresponding level of logical links disappears which makes it impossible to open the file after recovery вЂ“ such file becomes unreadable.

Bad sectors in the storage device: One of the possible causes to make a recovered file inaccessible is the presence of the so-called bad blocks or sectors (inaccessible areas in the storage device) which contain some file data but cannot be accessed by the system.

As a result, the user wonвЂ™t be able to open such file after recovery because some data couldnвЂ™t be accessed physically during the file recovery process.

Physical damage to the storage device: Any mechanical damage to the storage device can also affect the data stored inside.

Nevertheless, thereвЂ™s a list of causes that users face most often:

In most cases every cause is individual and depends on several factors. There might be very different causes why files wonвЂ™t open after recovery.

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How to Open HEIC Files in Windows and Convert Them into JPEG рџЌЏв†”пёЏрџ–ҐпёЏ Common causes why a file wonвЂ™t open after recovery In this article, weвЂ™ll consider possible causes why users canвЂ™t open recovered files, and show you some ways to fix the problem. There are several methods to make your data come back вЂ“ with high chances of success. However, it is too early to believe the data is lost forever. It may lead the user to a wrong conclusion that the important data is lost for good. People may face a situation when the contents of a recovered file becomes inaccessible and it is impossible to open such file. No matter what caused such loss of data, users can restore their files and have the lost data back for further use. However, important user data can be lost due to many causes, from commonplace accidental deleting to damaged file systems. All of these let users store, process and share any data they like.

Contact a specialized data recovery lab to restore deleted dataД®very computer or gadget is designed to be used with various data storage devices: hard disks, external drives, USB drives, memory cards of different formats etc.

Restore your data with another file recovery program.

Common causes why a file wonвЂ™t open after recovery.