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This is the 10th time I try to install ubuntu, I tried to install it alongside windows and I get the error

Executing grub-install /dev/sda failed. This is a fatal error. Sorry, an error occurred and it was not possible to install the bootloader at the specified location.

I get the option to install it on other locations which all fail.

I also tried to install ubuntu through wubi which finishes installing but I when I try to load ubuntu it says that bootloader was not found.

I also tried to install over windows and it also gives the same error leaving me with no operating system.

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Please help us help you by providing the version of Ubuntu, the version of Windows and the output of sudo fdisk -l in your question. Also include any other pertinent information regarding your hardware like the output of sudo lshw -c disk –  Elder Geek Jun 17 '14 at 14:02

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