Follow the troubleshooting steps below to fix the HP printer Assistant error.
Table of Contents
1. Run HP Print and Scan Doctor
To run HP Print and Scan Doctor, follow the instructions we shared here: HP Printer Error Documents Waiting – Run HP Print and Scan Doctor.
2. Manually install your HP Printer’s Software Patch
Follow the steps below depending on your Windows OS.
How to Manually Install HP Printer’s Software Patch on Windows XP
Do the steps below to manually install the HP printer’s software patch on Windows XP:
Step 1: Click “Start” on your computer.
Step 2: Click on “Run”.
Step 3: Type “regedit” in the dialog box.
Step 4: Click on “OK”. This will cause a window for the “Registry Editor” to open.
Step 5: Click on “File”.
Step 6: Click on “Export Registry File”. This window will open.
Step 7: From the dropdown menu for “Save in”, select “Desktop”.
Step 8: Type “backup” as the file name.
Step 9: From the dropdown menu for “Save as type”, choose “Registration Files (*.reg)”.
Step 10: Choose “All” for the “Export range” option.
Step 11: Click on “Save”.
Step 12: Click “Start” on your computer.
Step 13: Click on “Accessories”.
Step 14: Click on “Notepad” and the Notepad window will open.
Step 15: Copy and paste the text below in the Notepad:
[-HKEY_CLASSES_ROOT\.hta]
[-HKEY_CLASSES_ROOT\htafile]
[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta]
[HKEY_CLASSES_ROOT\.hta] “PerceivedType”=”text” @=”htafile” “Content Type”=”application/hta”
[HKEY_CLASSES_ROOT\.hta\PersistentHandler] @=”{eec97550-47a9-11cf-b952-00aa0051fe20}”
[HKEY_CLASSES_ROOT\htafile] “EditFlags”=dword:00100000 @=”HTML Application” “FriendlyTypeName”=”@C:\\Windows\\System32\\mshta.exe,-6412”
[HKEY_CLASSES_ROOT\htafile\CLSID] @=”{3050f4d8-98B5-11CF-BB82-00AA00BDCE0B}”
[HKEY_CLASSES_ROOT\htafile\DefaultIcon] @=”C:\\Windows\\System32\\mshta.exe,1″
[HKEY_CLASSES_ROOT\htafile\Shell]
[HKEY_CLASSES_ROOT\htafile\Shell\Open]
[HKEY_CLASSES_ROOT\htafile\Shell\Open\Command] @=”C:\\Windows\\System32\\mshta.exe \”%1\” %*”
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta]
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\OpenWithList]
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\OpenWithProgids] “htafile”=hex(0):
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\UserChoice] “Progid”=”htafile”
Step 16: Save the file on your Desktop with “Fix_hta.reg” as the file name.
Step 17: Close the Notepad.
Step 18: Double click on the file “Fix_hta.reg.” that you just saved on your Desktop.
Step 19: Click on “OK”.
Step 20: Click on “OK” once again.
Step 21: Go to “HP Printer Assistant” and open it.
How to Manually Install HP Printer’s Software Patch on Windows Vista and 7
Do the steps below to manually install the HP printer’s software patch on Windows Vista and 7:
Step 1: Click on the Windows icon.
Step 2: Click on “Run”.
Step 3: Type “regedit” in the dialog box.
Step 4: Click on “OK”. This will cause a window for the “Registry Editor” to open.
Step 5: Click on “File”.
Step 6: Click on “Export Registry File”. This window will open.
Step 7: From the dropdown menu for “Save in”, select “Desktop”.
Step 8: Type “backup” as the file name.
Step 9: From the dropdown menu for “Save as type”, choose “Registration Files (*.reg)”.
Step 10: Choose “All” for the “Export range” option.
Step 11: Click on “Save”.
Step 12: Click on the Windows icon.
Step 13: Click on “Accessories”.
Step 14: Click on “Notepad” and the Notepad window will open.
Step 15: Copy and paste the text below in the Notepad:
Windows Registry Editor Version 5.00
[-HKEY_CLASSES_ROOT\.hta]
[-HKEY_CLASSES_ROOT\htafile]
[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta]
[HKEY_CLASSES_ROOT\.hta] “PerceivedType”=”text” @=”htafile” “Content Type”=”application/hta”
[HKEY_CLASSES_ROOT\.hta\PersistentHandler] @=”{eec97550-47a9-11cf-b952-00aa0051fe20}”
[HKEY_CLASSES_ROOT\htafile] “EditFlags”=dword:00100000 @=”HTML Application” “FriendlyTypeName”=”@C:\\Windows\\System32\\mshta.exe,-6412”
[HKEY_CLASSES_ROOT\htafile\CLSID] @=”{3050f4d8-98B5-11CF-BB82-00AA00BDCE0B}”
[HKEY_CLASSES_ROOT\htafile\DefaultIcon] @=”C:\\Windows\\System32\\mshta.exe,1″
[HKEY_CLASSES_ROOT\htafile\Shell]
[HKEY_CLASSES_ROOT\htafile\Shell\Open]
[HKEY_CLASSES_ROOT\htafile\Shell\Open\Command] @=”C:\\Windows\\System32\\mshta.exe \”%1\” %*”
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta]
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\OpenWithList]
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\OpenWithProgids] “htafile”=hex(0):
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\UserChoice] “Progid”=”htafile”
Step 16: Save the file on your Desktop with “Fix_hta.reg” as the file name.
Step 17: Close the Notepad.
Step 18: Double click on the file “Fix_hta.reg.” that you just saved on your Desktop.
Step 19: Click on “OK”.
Step 20: Click on “OK” once again.
Step 21: Go to “HP Printer Assistant” and open it.
In this article: HP Printer Errors and Solution [Detailed] we discuss and provide solutions to a wide range of HP printer errors.
How to Manually Install HP Printer’s Software Patch on Windows 8 – HP Printer Assistant Error
Do the steps below to manually install the HP printer’s software patch on Windows 8:
Step 1: Right-click on your Windows 8 computer’s screen or pat and hold the lower right area of the screen.
Step 2: Click or lightly tap “Run”.
Step 3: Type “regedit” in the dialog box.
Step 4: Click or lightly tap “OK”. This will cause a window for the “Registry Editor” to open.
Step 5: Click or lightly tap “File”.
Step 6: Click or lightly tap “Export Registry File”. This window will open.
Step 7: From the dropdown menu for “Save in”, select “Desktop”.
Step 8: Type “backup” as the file name.
Step 9: From the dropdown menu for “Save as type”, choose “Registration Files (*.reg)”.
Step 10: Choose “All” for the “Export range” option.
Step 11: Click or lightly tap “Save”.
Step 12: Click or lightly tap “Apps”.
Step 13: Type “Notepad” in your computer’s search box.
Step 14: Press the “Enter” key on your keyboard and the Notepad window will open.
Step 15: Copy and paste the text below in the Notepad:
Windows Registry Editor Version 5.00
[-HKEY_CLASSES_ROOT\.hta]
[-HKEY_CLASSES_ROOT\htafile]
[-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta]
[HKEY_CLASSES_ROOT\.hta] “PerceivedType”=”text” @=”htafile” “Content Type”=”application/hta”
[HKEY_CLASSES_ROOT\.hta\PersistentHandler] @=”{eec97550-47a9-11cf-b952-00aa0051fe20}”
[HKEY_CLASSES_ROOT\htafile] “EditFlags”=dword:00100000 @=”HTML Application” “FriendlyTypeName”=”@C:\\Windows\\System32\\mshta.exe,-6412”
[HKEY_CLASSES_ROOT\htafile\CLSID] @=”{3050f4d8-98B5-11CF-BB82-00AA00BDCE0B}”
[HKEY_CLASSES_ROOT\htafile\DefaultIcon] @=”C:\\Windows\\System32\\mshta.exe,1″
[HKEY_CLASSES_ROOT\htafile\Shell]
[HKEY_CLASSES_ROOT\htafile\Shell\Open]
[HKEY_CLASSES_ROOT\htafile\Shell\Open\Command] @=”C:\\Windows\\System32\\mshta.exe \”%1\” %*”
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta]
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\OpenWithList]
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\OpenWithProgids] “htafile”=hex(0):
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\UserChoice] “Progid”=”htafile”
Step 16: Save the file on your Desktop with “Fix_hta.reg” as the file name.
Step 17: Close the Notepad.
Step 18: Double click on the file “Fix_hta.reg.” that you just saved on your Desktop.
Step 19: Click on “OK”.
Step 20: Click on “OK” once again.
Step 21: Go to “HP Printer Assistant” and open it.
