Repair or Fix Corrupted Windows User Profile

by Abhishek Bhatnagar on May 13, 2010


One of the most common issue which occurs with most of the windows users is when they lose the their windows account data and settings. It happens that when some users login to your account they found all the customizations missing and it looks like a fresh account. This problem can occur due to numerous errors like hard drive error, joining/leaving a domain, file system issues and a change of username.

But still there are manual ways with which you can copy user data from the corrupted profile into a new profile, and a free software also which can assign a profile data and settings to a new user account.

Lets discuss both of these approach, see how they work in case of data recovery from a unidentified user profile.

Easy Method To Solve User Profile Data Errors

Reprofiler free program which is portable in nature. It allows you to reassign the data and settings of a Windows user account to another account. It is very simple to use and effective program to solve the problem of windows no longer recognizes the profile of the user.


However it is possible to correct this type of problem manually, but this involves editing the registry and adjusting permissions, tasks which are painstaking and time-consuming, and are probably beyond the skill-level of the average user.

How To Use This Program

The upper pane shows a list of users. If the computer is a domain-member these will be subdivided into two groups, local users and domain users. For a standalone computer, there will be just the local group.

For each user, the ‘Assigned Folder’ indicates where, on disk, that user’s profile is being stored. Typically this will be a folder within ‘C:\Documents and Settings’ for XP, or ‘C:\Users’ for Vista/7.Scrolling to the right will reveal that user’s SID, should that information be needed. (If you’re not sure what a SID is, don’t worry.)


The lower pane lists the subfolders found inside to profile-root folder, which as we’ve mentioned is typically ‘C:\Documents and Settings’ for XP, or ‘C:\Users’ for Vista/7. It then shows the users which have been assigned to each profile, in the form ‘logon_domain\username’ (For a standalone computer the logon_domain will be the name of the computer itself)

Download Reprofiler [ Alpha Version – Could Be Unstable While Using ]

Manual Method To Solve User Profile Data Corrupt Situation [ For XP Users ]

Create a new user profile on the workgroup computer
  1. Log on as the Administrator or as a user with administrator credentials.
  2. Click Start, and then click Control Panel.
  3. Click User Accounts.
  4. Under Pick a task, click Create a new account.
  5. Type a name for the user information, and then click Next.
  6. Click an account type, and then click Create Account.
Copy files to the new user profile
  1. Log on as a user other than the user whose profile you are copying files to or from.
  2. In Windows Explorer, click Tools, click Folder Options, click the View tab, click Show hidden files and folders, click to clear the Hide protected operating system filescheck box, and then click OK.
  3. Locate the C:\Documents and Settings\Old_Username folder, where C is the drive on which Windows XP is installed, and Old_Username is the name of the profile you want to copy user data from.
  4. Press and hold down the CTRL key while you click each file and subfolder in this folder, except the following files:
    • Ntuser.dat
    • Ntuser.dat.log
    • Ntuser.ini
  5. On the Edit menu, click Copy.
  6. Locate the C:\Documents and Settings\New_Username folder, where C is the drive on which Windows XP is installed, and New_Username is the name of the user profile that you created in the “Create a New User Profile” section.
  7. On the Edit menu, click Paste.
  8. Log off the computer, and then log on as the new user.

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