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Reinstall QuickBooks using a clean install

When a QuickBooks function is damaged or when a simple reinstall does not correct an issue, you may need to uninstall QuickBooks, rename installation files left behind, and then reinstall QuickBooks.
This process is called a Clean Install or Clean Uninstall.

Note: Be sure to have your QuickBooks download file or your installation CD and installation license number available before uninstalling QuickBooks.

  1. Uninstall QuickBooks
    • Windows 8, 7 and Vista 
      1. Go to Windows > Control Panel > Programs > Uninstall a program
      2. In the list of programs, select QuickBooks and click Uninstall.
        • Important: If you get an error message and are unable to uninstall QuickBooks, you will need to contact a qualified IT professional or Microsoft as this indicates there is a problem/corruption with your Windows Operating system (which is not an Intuit product).
      3. Follow the instructions to uninstall QuickBooks.
    • Windows XP
      1. Click the Windows Start button and select Control Panel.
      2. Double-click Add/Remove Programs.
      3. In the list of programs, select QuickBooks and click Remove.
      4. Follow the instructions to remove QuickBooks.
        • Important: If you get an error message and are unable to unisntall QuickBooks, you will need to contact a qualified IT professional or Microsoft as this indicates there is a problem/corruption with your Windows Operating system (which is not an Intuit product).
  2. Download and run the QuickBooks Clean Install Tool
    1. Download the QuickBooks_Clean_Install_Tool.exe file and save it to your desktop.
    2. Open QuickBooks_Clean_Install_Utility.exe.
    3. Click I Accept on the license agreement.
    4. Select your version of QuickBooks and click Continue to start.
    5. Click OK when you see the message "QuickBooks is now ready for a clean install, please install to the default directory."

Important: If you do not want to run the QuickBooks Clean Install Utility, you can manually rename the QuickBooks installation folders using the following instructions.

  1. Manually rename the QuickBooks installation folders
    • Use Windows Explorer to locate and rename each of the folder locations listed for your version of Windows.  As a suggestion, add 'old' or 'damaged' to the end of the folder name. This will prevent QuickBooks from recognizing the folder in order to create a new one.
    • Windows 8, 7 or Vista
      • C:\ProgramData\Intuit\QuickBooks (year)
      • C:\Users\(current user)\AppData\Local\Intuit\QuickBooks (year)
      • C:\Program Files\Intuit\QuickBooks(year)   
      • 64-bit version C:\Program Files (x86)\Intuit\QuickBooks (year)
    • Windows XP 
      • C:\Program Files\Intuit\QuickBooks (year)
      • C:\Documents and Settings\(current user)\Local Settings\Application Data\Intuit\ QuickBooks (year)
      • C:\Documents and Settings\All Users\Application Data\Intuit\QuickBooks (year)
    • If you get the message Error: Access Denied when renaming folders
      1. Right-click the Windows Taskbar and select Task Manager.
      2. Click the Processes tab.
      3. Click the Image Name column heading to sort processes alphabetically by name.
      4. Select QBDBMgrN.exe, QBDBMgr.exe, QBCFMonitorService.exe, Qbw32.exe in the Image Name column.
      5. Click End Process.
      6. Click Yes to the message, "WARNING: Terminating a process can cause undesired results including loss of data and system instability...."
  2. If the Application Data or Program Data folder is not visible:
    • Windows 8
      1. On your keyboard, press Windows key + E to open the Computer window.
      2. Click View at the top of the window.
      3. Select Hidden items.
    • Windows 7 or Vista
      1. On your keyboard, press Windows key + E to open the Computer window.
      2. In the upper left, click the Organize button.
      3. Select Folder and Search Options.
      4. Click the View tab.
      5. Click Show hidden files and folders.
      6. Click OK.
    • Windows XP
      1. Right-click the Start button and choose Explore.
      2. Choose Tools > Folder Options.
      3. Click the View tab, and under Advanced Settings, select the Show hidden files and folders checkbox.
      4. Click OK.
  3. Reinstall QuickBooks.



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