Hello and welcome to Justanswer which is an independent Q&A and Tech support providing site. My name is***** will be assisting you today. I am sorry to hear that you are having such trouble. I will try my best to help you.Could you please provide the following.
Are you getting this message when you are trying to boot to windows or when trying to open any application?
Which is the operating system installed in the PC.Is it Windows Vista, Windows 7, windows 8, Windows 10 ?
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OK so it shows this message before windows login screen am i correct?
Let me know the full model and serial of the Acer PC?
If possible please provide the serial/snid too
The model you provided is not showing the system details and i am still looking for it.
If you give the serial/snid it will bring the details quick.
To help you find the serial/snid use this link : - https://global-download.acer.com/SupportFiles/HelpDoc/help.aspx?LC=en&BC=Acer#_ga=1.32438782.1390441220.1483684858
Is this the Acer computer you have : - https://www.acer.com/ac/en/IN/content/support-product/4503?b=1
It seems like you are offline so i will open this to other experts so that they can continue helping you when you are back online.
Do you still need assistance?
Please let me know