System drive has a GUID partition table (GPT)

Asked By 120 points N/A Posted on -

I am running Windows 8 on my Desktop PC and I just update it to 8.1. I also have a newly reformatted laptop. I encrypted its hard drive with TrueCrypt and perform the Encrypt System Drive menu. I want to do that on my desktop PC but ended up with an error as stated below:

“Your system drive has a GUID partition table (GPT). Currently, only drives with a MBR table are supported. ”

I don't know how to encrypt my hard disk on Windows 8. Can you please help me on this?

Answered By 70 points N/A #184769

System drive has a GUID partition table (GPT)


Hello Tyrone,

TrueCrypt is an awesome encryption software. But it looks like it has got some limitations, too.

Try the latest version of TrueCrypt.

Also, instead of trying TrueCrypt, you should try AxCrypt. It runs on any system configuration. Also, its context menu feature has made it even easier.

It would be better if you converted your HDD partition into MBR. But be careful, if you have got more than four partitions with primary type, you won’t be able to do so.

Download AOMEI Partition Wizard. Open the main window. On the top, select your HDD disk number. Generally, it is called “Disk 0”. Right-click on it and select “Convert to MBR”. Press “Apply” button on the top-left.

Be careful! You will need to install your OS once again.

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