Hi Horseheadjdj,
If you have any antivirus or firewall programs on your computer, please temporarily disable them and then try to launch MP Navigator again. Sometimes these programs can block the scanning process of the printer. If you still have difficulty opening MP Navigator, we can remove a file/icon on your computer named "My Websites on MSN" to see if this will resolve the issue. To do this, please follow these steps:
1. Click 'Start' and then 'Computer'.
2. On the left-hand pane, click the down arrow beside Local Disk (C).
3. Click the down arrow beside Users to open the folder.
4. Click the down arrow beside your username (for example Joe).
5. Click the down arrow beside the AppData (Application Data) folder.
6. Click the down arrow beside Roaming.
7. Click the down arrow beside Microsoft.
8. Click the down arrow beside the Windows folder.
9. Click the down arrow beside Network Shortcuts folder.
10. Locate an icon named My Web Sites on MSN.
11. Right-click on My Web Sites on MSN and select 'Delete'.
After performing this process, attempt to scan. If you still receive the same error after removing the file, or if the file does not exist, we can try to temporarily remove files from a folder called TWAIN 32 that may be causing a conflict with the MP Navigator program to try and resolve the issue. To do this, please follow these steps:
1. Go to Computer / My Computer and locate the C: drive, then double-click on it to open.
2. Locate the WINDOWS folder, then double-click to open it.
3. Locate the TWAIN_32 folder, then double-click to open it.
4. Inside of the TWAIN_32 folder, you will see a folder for your PIXMA MP250 printer as well as a WIATWAIN.DS file. If there are other files in that folder, you will want to move them to another location, preferably your Desktop by doing the following:
4-1. Click on each of the other items in the folder other than the the WIATWAIN.DS file and PIXMA MP250 folder to select them. You will want to hold the the CTRL key on your keyboard while selecting each of the items until all of the items except for the two referenced above are selected. Please be sure to leave the WIATWAIN.DS file and PIXMA MP250 folder inside of the TWAIN_32 folder.
4-2. With all of the items you want to move selected, please go to the EDIT menu and select the CUT option.
4-3. Go to your Desktop (main window that comes up when you start Windows with all of the icons on it) and right-click your mouse in any blank area, then choose the PASTE option. The items you selected from the TWAIN_32 folder should appear on the Desktop.
5. Try to launch and scan using MP Navigator again.
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