Like a week ago, I upgraded my windows 7 to 8.1, but i don't really like the results, when my computer starts up, it s always pop up ERROR_INVALID_PRIMARY_GROUP problem and the just a black screen, it disappears after like 2-3 minutes. How should I do to fix ERROR_INVALID_PRIMARY_GROUP?
I suggest you to perform the methods provided below and check if it helps.
Method One: Troubleshoot ERROR_INVALID_PRIMARY_GROUP Problems with SmartPCFixer!
SmartPCFixer™ is a top-ranking error-resolution registry cleaner which will fix the computer errors and optimize the system settings. You can scan, clean, optimize, and keep your PC much healthier with it ! It will help identify and fix Windows' invalid registry entries. By running Scan & Cleaner as part of scheduled maintenance, it will keep your PC from freezing or frequent crashes . Using it will reduce the probability of you getting a "blue screen", program not responding or lock up.
Method Two: To remove ERROR_INVALID_PRIMARY_GROUP error effectively and efficiently, you can use sfc utility to do a full check for your system.
1. To do this, click Start, type Command Prompt or cmd in the Search box, right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
2. At the command prompt, type the following command, and then press ENTER:
See more details: https://support.microsoft.com/en-us/kb/929833
Is it time for a PC checkup?PC runs best when they receive regular, professional maintenance. The installation and un-installation of software, hardware, and drivers often leave remnants behind in your registry, resulting in a tangle of unused applications, broken drivers, and incomplete and empty command signals. This mass of confusion slows down your computer and if not addressed promptly can cause serious problems such as computer freezing, programs not responding, and system crashes. As a distinguished PC optimizer, SmartPCFixer is obviously the best choice for people to remove ERROR_INVALID_PRIMARY_GROUP problems. Apart from dealing with ERROR_INVALID_PRIMARY_GROUP errors, this utility also owns amazing function for its users.
Please Note:The Windows Registry will be scanned and repaired by SmartPCFixer. This utility
will remove damaged registry entries and repair the windows registry. The scan and repair process will take approximately 2 minutes.
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