Error .the unobserved exception was rethrown by the finalizer thread Opening QB POS V11.

Error .the unobserved exception was rethrown by the finalizer thread Opening QB POS V11.

Written by Scott FairWednesday, 02 January 2013 15:04

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When opening POS you see the following message:
Unexpected error happened. Please restart QuickBooks Point of Sale.  The error is:
A Task’s exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread.

How to fix it

Intuit recommends the following 3 solutions for this problem. The first solution may solve your problem, or you may need to try all 3.

Solution 1: Rename the QBPOSShell log

Rename the QBPOSShell log located at C:ProgramDataIntuitQuickBooks Point of Sale XX.0Log (Win7/Win8) or C:Documents and SettingsAll UsersApplication DataIntuitQuickBooks Point of Sale XX.0Log (Win XP) and try opening POS again.

 

Solution 2: Delete the contents of the QBPOSShell folder

Windows 8

  1. Press the CTRL + ALT + DEL keys and select Task Manager.
  2. On the Processes tab, select QBPOSShell and then click End Task.
  3. Drag your mouse to the lower-left corner, right-click the Start button and then choose File Explorer.
  4. Click the View tab and uncheck the Hidden items checkbox.
  5. In the left window, click Computer and go to: C:Users{User logged on}AppDataLocalIntuitQBPOSShell.exe…{last modified folder}
  6. Press the CTRL + A keys to select all the files in the folder and then press Delete.
  7. Close the window and open Point of Sale.
Windows 7 and Vista

  1. Press the CTRL + ALT + DEL keys and select Start Task Manager.
  2. Click the Processes tab, select QBPOSShell.exe and then click End Process.
  3. Right-click the Start button and then choose Open Windows Explorer.
  4. Click Organize and then choose Folder and Search Options.
  5. Click the View tab, select Show hidden files and folders and then click OK.
  6. In the left window, click Computer and go to: C:Users{User logged on}AppDataLocalIntuitQBPOSShell.exe…{last modified folder}
  7. Press the CTRL + A keys to select all the files in the folder and then press Delete.
  8. Close the window and open Point of Sale.
Windows XP

  1. Press the CTRL + ALT + DEL keys and select Start Task Manager.
  2. Click the Processes tab, select QBPOSShell.exe and then click End Process.
  3. Right-click the Start button and then choose Explore.
  4. Choose Tools > Folder and Search Options.
  5. Click the View tab, select Show hidden files and folders, and then click to clear the Hide protected operating files checkbox.
  6. Click Yes to the warning and then click OK.
  7. In the left window, click Computer and go to: C:Documents and SettingsAdministratorLocalSettingsApplicationDataIntuitQBPOSShell.exe…{last modified folder}
  8. Press the CTRL + A keys to select all the files in the folder and then press Delete.
  9. Close the window and open Point of Sale.
Solution 3: Create a new Windows admin

Windows 8

  1. Drag your mouse to the lower-left corner, right-click the Start button and then choose Control Panel.
  2. Click User accounts and Family Safety and then click User Accounts.
  3. Click Manage another account.
  4. Click the Add a new user in PC Settings link.
  5. Click the Add a user button.
  6. Click the Sign in without a Microsoft account link.
  7. Click Local Account.
  8. Enter a user name, leave the password blank, click Next and then click Finish.
  9. Restart the computer and sign with the new administrator account.
  10. Open Point of Sale. (Note: You may have to open it from the Windows Start menu if you do not see an icon on the desktop.)
Windows 7

  1. Click the Windows Start button and select Control Panel.
  2. Click User Accounts.
  3. Click Manage another account.
  4. Click Create a new account.
  5. Add a name for the account and select Administrator.
  6. Click Create account.
  7. Restart the computer and sign in with the new administrator account.
  8. Open Point of Sale. (Note: You may have to open it from the Windows Start menu if you do not see an icon on the desktop.)
Windows Vista

  1. Click the Windows Start button and select Control Panel.
  2. Double-click User Accounts.
  3. Click Create a new account.
  4. Select Set as Administrator.
  5. Click Create account.
  6. Restart the computer and sign in with the new administrator account.
  7. Open Point of Sale. (Note: You may have to open it from the Windows Start menu if you do not see an icon on the desktop.)
Windows XP

  1. Click the Microsoft Windows Start button and select Run. Enter control in the Open field and then click OK.
  2. Double-click User Accounts.
  3. Click Create a New Account, and then follow the on-screen instructions to create a user account with administrative permissions.
  4. Restart the computer and log in with the new administrator account.
  5. Open Point of Sale. (Note: You may have to open it from the Windows Start menu if you do not see an icon on the desktop.)
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