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Problem:  

One user can not use Start Menu and settings. So I created a test account, the test account has no problem use stat menu and settings

Solutions:

If a new created user account has no problem to use the start menu and settings, that tells me that the Windows system might be  OK. The “bad” user account might have a corrupted profile.

1: Log in as the new created user.

(You need to create a second Admin account to do this.) You need to enable “show hidden files….” and disable “Hide protected operating system files”

2: Go to c:\users\bad-user name\appdata\local\Microsoft\Windows find UsrClass.dat  rename it UsrClass-old.dat

3: Restart the computer

The problem should be resolved.

Press Windows key + R
Type: control userpasswords2
Hit Enter or click OK

Click Add to add another user account

Problem:  SYSVOL status inaccessible in group policy management console

Solutions: one or a few of the group policy objects might be corrupted.

Go to each group policy object, and check its status, fix the corrupted ones.

For example, picture below shows that policy001 is the one that has the problem. Delete it and recreate a new one.

Problem:

Windows 10, Newly created user:  First login, “This might take several minutes…”  “It’s taking a bit longer than expected, but we’ll get there as fast as we can”

You can wait a long time 15-3o mins to create this user. Login as the new user, the task bar is not accessible.

Reason: the default user profile is corrupted.

Solutions:

1 using a working account,  login as Admin,

2 rename c:\users\ default folder as default.old (you need to enable “show hidden files, folder, and drivers” to see the default folder)

3 unzip this default profile to c:\users to replace the corrupted default profile folder.

4 reboot the computer.

5 create a new user account.

Check this file   system root /Windows/System32 folder for a file called “ntoskrnl.exe”

Right click to check the properties

You will find the product version

4.x: NT 4.x
5.0: Windows 2000
5.1: Windows XP
5.2: Windows 2003 Server or Windows XP-64-bit
6.0: Windows Vista
6.1: Windows 7
6.2; Windows 8
6.3: Windows 8.1

10:   Windows 10

Type netsh interface ipv4 show subinterface
Press Enter.
You will see a list of network interfaces.
Type netsh interface ipv4 set subinterface “Local Area Connection (from the listed interface)” mtu=1500 store=persistent

1 Download Key Generator unclear key finder. This is a php file, put the characters you are not sure about in the arrays.

   the only possible characters are these (others are rejected): 2 3 4 5 6 7 8 9 B C D F G H J K M P Q R T V W X Y

For example, TGTVX-QXBBJ-MJBMF-PBB4R-FMTT6 (if you are not sure if the last digit is 6 or G, you can use array(“G”, “6”), in the script)

2 Upload the finished php file to the root of your web site, then type yoururl/test.php in your web browser, it will generate all the possible keys.

3 Copy all the keys to a text file, and then using excel to convert it to a text file that has one key per line.

4 Download Ultimate PID Checker 

5 Select the product and link the converted text file to PID checker.

6 Pay attention to the result, it will display the correct key info if it  “finds” the valid key.