TrustPort Antivirus 2015 manual

TrustPort Antivirus 2015
7 · 1
PDF manual
 · 199 pages
English
manualTrustPort Antivirus 2015
180
Each file (and directory) consists of several clusters (the whole image is divided into
clusters, their size is fixed by formatting), that aren't in the image always one after
another. Each cluster of such a file has its unique index and in the FAT there is for this
cluster a reference to the next cluster, where that file continues (for the last cluster
there is a mark that the file ends here). Clusters of a file create this way a chain.
But when the FAT goes wrong and a reference from one link of a chain points to a
completely different file, the previous continuing of this chain gets lost and the chain
(= the file) joins a foreign chain. So now two different files have joint ends. This
situation can also simply happen to more than two files at once (they create a
crosslinked group). It's almost impossible to make out to which file belonged the joint
end before.
One clue to this problem is the file length information in the parent directory entry that
logically hasn't been affected by an error in FAT. When a file "stoles" its end from
another file, it's possible that this new end hasn't the same chain length as the former
end had. In this case the file length doesn't consist with the real length of the file
chain. On the other hand if the file length and the length of the chain have the same
value, it is most likely that this file has its own end that other chains joined.
Solution:
If the crosslinked item is a directory, there is no way to repair it and it has to be
deleted.
A crosslinked file is by default set to be deleted. Only if there is just one file in a
crosslinked group that has correct chain size, in this case this file is set to be corrected.
You can't select do nothing option for a crosslinked file.
You can repair more files from one crosslinked group. The repairing then proceeds
according to specified priority. The file with the highest priority occupies its whole chain
including the joint part, the others take in sequence as much of their chains as possible
(until they run into a part of the chain that has occupied some file before). This applies
to methods Repair it and Repair it (extend). For method Repair it (shorten) a file
occupies its chain until it reaches its size specified in parent directory.

Too long

Description:
The chain of this file (see first paragraph in the description of "Crosslinked") is too long.
Its size is bigger than the size of this file recorded in the file's parent directory. The
length of the chain is in the parentheses next to this error.
Solution:
There are two possibilities how to repair this error:
Repair it (shorten): this method shortens the file chain so it fits the size specified in the
parent directory.
Repair it (extend): on the other side if you choose this method, the file size in the
parent directory will be increased to the chain size.

Too short

Description:
The chain of this file (see first paragraph in the description of "Crosslinked") is too
short. Its size is smaller than the size of this file recorded in the file's parent directory.
The length of the chain is in the parentheses next to this error.
Solution:
The only way to repair it is to correct the size entry in the parent directory in
agreement with the chain size, so the file gets smaller. You can't enlarge the chain,
because you don't know where it should continue. For the last cluster in the chain there
is no reference to the next cluster.

Manual

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TrustPort Antivirus 2015 specifications

Below you will find the product specifications and the manual specifications of the TrustPort Antivirus 2015.

General
BrandTrustPort
ModelAntivirus 2015
Productphoto/video software
LanguageEnglish
FiletypeUser manual (PDF)

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