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sparklingchord's Avatar
sparklingchord sparklingchord is offline
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04-Dec-2008, 04:15 PM #1
Bootex.txt
Hello,

I placed a security password on an excel workbook I had and the file disappeared and the only remnants of the file I have is a Bootex file showing the name of my file as well as the last date that I updated it. Is there any way that I can recover the file and what does the bootex file mean?

Peace.
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04-Dec-2008, 04:17 PM #2
bootex is a log file created by chkdsk showing the errors it fixed. Sounds like chkdsk decided the file was corrupted and then killed it.
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04-Dec-2008, 06:24 PM #3
Bootex.txt
So there is no way for me to recover the file?
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04-Dec-2008, 06:26 PM #4
Bootex.txt
This is the bootex file.

Checking file system on F:
The type of the file system is FAT.


One of your disks needs to be checked for consistency. You
may cancel the disk check, but it is strongly recommended
that you continue.
Windows will now check the disk.
Volume Serial Number is C64E-9DA5
\****list.xls first allocation unit is not valid. The entry will be truncated.
Convert lost chains to files (Y/N)? Yes
909312 bytes in 3 recovered files.
Windows has made corrections to the file system.

519798784 bytes total disk space.
1228800 bytes in 4 hidden files.
16384 bytes in 2 folders.
179675136 bytes in 173 files.
338878464 bytes available on disk.

8192 bytes in each allocation unit.
63452 total allocation units on disk.
41367 allocation units available on disk.
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04-Dec-2008, 09:51 PM #5
The log files says the first allocation unit was not valid, meaning the first 8192 bytes of the file are gone. The chains it recovered should be in a hidden folder named FOUND.XXX named FileXXXX.chk

It says it saved 3 files, but no way to know if any of them are part of the file you are looking for.

You can try changing the .chk extension to .xls and see if Excel can read anything, but as the file type is usually stored in the first few bytes of the file, it may just see it as an invalid file.

You can also open the files in Notepad, but about all that will be readable will be text labels. If the spreadsheet is mainly text data, you might recover some of it that way.

Search Google for recover *.chk files and you might find some freeware/trialware that may help to recover some of the data.

Maybe someone who knows the format of an Excel file will have some more ideas, maybe a way to take the first 8192 bytes from a working file and append these fragments to it.

HTH

Jerry
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04-Dec-2008, 10:25 PM #6
There may be a copy of it in system restore, did you try a system restore, pick a date before the file disappeared.
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04-Dec-2008, 10:36 PM #7
Good idea, but System Restore doesn't monitor .xls files.
Monitored File Extensions
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04-Dec-2008, 11:01 PM #8
" Good idea, but System Restore doesn't monitor .xls files"

Makes sense, otherwise it would be called file restore :-)

I have been backing up so long, I never have to addess an issue like this..
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05-Dec-2008, 11:34 PM #9
Bootex.txt
Hello,

One important piece of information I left out was that I have never saved the file to my hard drive. It has always been saved on my thumb drive. I went to geek squad to inquire about a file recovery software, but they said it does not work for a thumb drive? Will the steps you have given me work for a thumb drive as well?

Peace,
Kyle
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07-Dec-2008, 03:10 AM #10
Same steps should work on USB drives as well as IDE/SATA/SCSI.

Some recovery software may not work with external drives. If they directly access the drive controller they likely won't. I've never checked to see what apps work with external drives and which don't.

Elvandil has a great list of recovery apps, check this post.

Jerry
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