computer laptop lcd replaced

Since the replacement of my laptop did not work correctly, when I came back my avg and malwarebytes were missing so I reinstalled, after computer restart it was gone again and again,... Malwarebytes is on the laptop, but won't reinstall, he said: I have not granted access to, I tried to create a new admin acc and get the same answer every time... same .i tried system restore, no luck, please help

Your computer may have a rootkit infection.  Download and run Kaspersky TDSSKiller .  See the malware removal Guides at BleepingComputer.com .

Replacing the LCD screen?  This person may have infected without knowing the computer. Boulder computer Maven
Most Microsoft Valuable Professional

Tags: Windows

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