Like a week ago, I upgraded my windows 7 to 8, but i don't really like the results, when my computer starts up, it s always pop up ERROR_HASH_NOT_PRESENT problem and the just a Blue screen, it disappears after like 2-3 minutes. How should I do to get rid of ERROR_HASH_NOT_PRESENT?

I suggest you to perform the methods provided below and check if it helps.

Method One: Troubleshoot ERROR_HASH_NOT_PRESENT Problems with SmartPCFixer!

SmartPCFixer is designed to scan, diagnose and repair your operating system. Using it results in better optimization, manages startup and desktop, assists you with maintaining browser objects, internet options, system service, and repairs file extensions. With this arsenal of powerful, sophisticated utilities your system is tuned to run at its optimal state. Included are Easy Repair Wizard, Error Utilities, File Association fixer, Register ActiveX, Shortcuts Fixer, Winsock2 Repair toolkit, Dll Fixer and more.

Method 2: Run a system restore for your OS.

System Restore is a master key to resolve ERROR_HASH_NOT_PRESENT problem.

System Restore helps you restore your computer's system files to an earlier point in time. Typically, you want to restore your computer to a restore point that was created just before the date and time when you started noticing problems. The descriptions of the restore points that are created automatically correspond with the name of an event, such as Windows Update installing an update. System Restore returns your computer to the state that it was in before the restore point that you choose. ---Quote from Microsoft website.

Windows 8 Restore:

1.From the Windows 8 Start screen, type "Restore." The top result in the right-side Search panel should be "Create a restore point." Even though that's not what we're doing today, that's the choice you want to make. It opens the Control Panel to the Systems Properties dialog's System Protection tab
2. Tap the first button on that property sheet: System Restore. This opens a wizard-like dialog, the first page of which says "Restore system files and settings" Here you get another chance to see which programs will be lost and gained. Tap "Next."
you'll see a dialog with a choice of system restore points.

Windows 7 Restore:

1.Open System Restore by clicking the Start button Picture of the Start button. In the search box, type System Restore, and then, in the list of results, click System Restore.‍ Administrator permission required If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
2.Click Recommended restore, and then click Next.
3.If there isn't a recommended restore point, follow the steps below to choose a specific restore point.
4.Review the restore point, and then click Finish.


Suggestions:

We should never ignore ERROR_HASH_NOT_PRESENT problem when we encounter it at the first time. If ERROR_HASH_NOT_PRESENT error cannot be troubleshooted in a effective way, you may received more severe computer problems. Therefore, for the sake of computer security and personal information, you need to get rid of ERROR_HASH_NOT_PRESENT error as soon as possible with the guide in this post. SmartPCFixer can be your best choice to remove ERROR_HASH_NOT_PRESENT error in time.


Error Code 1248,Error Code 14100,Error Code 3008,Error Code 6853,Error Code 8586
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