My computer keeps shutting down and then when i log back in I receive "the system has recovered from a serious error" ERROR_DS_SUB_CLS_TEST_FAIL problem. I have no idea of how to troubleshoot ERROR_DS_SUB_CLS_TEST_FAIL Doe SmartPCFixer really work? Can you offer me an effective way to remove my computer issue?

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

Method One: Fix ERROR_DS_SUB_CLS_TEST_FAIL Error Immediately!

SmartPCFixer provides you with Registry Backup, System Backup, Favorites Backup and Folder Backup. In addition, the new built-in function of Restore Point enables you to create a system store point so you can recover your system to a previous state if you do not like the changes you have made. This ensures the safety of your system when you run the registry repair process.

Method 2: Run a system restore for your OS.

System Restore can be regarded as a master key to resolve ERROR_DS_SUB_CLS_TEST_FAIL issue.

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.


Conclusions:

ERROR_DS_SUB_CLS_TEST_FAIL error can be a disaster for your PC. If ERROR_DS_SUB_CLS_TEST_FAIL 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_DS_SUB_CLS_TEST_FAIL error as soon as possible with the guide in this post. SmartPCFixer can be your best choice to remove ERROR_DS_SUB_CLS_TEST_FAIL error in time.


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