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I suspect either a downloaded ISO corrupt image or burn ISO image error.
You should verify the downloaded image!
' or 'hash' is very important to learn to use and too regularly get in the habit of utilizing it. You can get a sum checker for M$ if need be; 'md5sum.exe
For GNU/Linux the 'man md5sum
' will get you all the information to perform the check. You can get the 'man command from the 'cli' at anytime.
If you downloaded the CD/DVD iso then be sure to check the md5sum for the original ISO. From the cli;
~#cd /downloadisolocation #cdromiso.iso cdromiso.md5[/COLOR]
~#md5sum -c cdromiso.md5 #substitute the correct name to check
If the iso md5 is ok then you should try 'CdromMd5sumsAfterBurning'
'. This way you will know if the burn was OK!
This will check the download ISO with the known md5sum that you also get with the ISO. You should do the check for any download that you might perform, even a LiveCD. Plus the burnt image. Sometimes you may need to lower the burn rate to get a valid burn for the ISO.
Is the burn drive you are using the same as the boot drive?