Hydratec Inc.

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Standalone HydraLIST (Location)

Error Type: Runtime Error

Description:

When double-clicking an .HLF file from Windows Explorer, you get the error

Run-time error '3055', Not a valid file name

The windows Association for the file extension .HLF is incorrect Runtime Error 3055

Possible Microsoft Access issue on computer.

Solutions:

1.
Cause:

Registry values have been edited/deleted/corrupt.
Solution:

Download this file and install named; 

Register File Extensions.exe

https://hydratec.sharefile.com/d-s72aa7f56ccfe42ad9d86a605803492d9

 
2.
Cause:

Likely a Windows Azure Domain VERSUS Microsoft Access issue.

Common problem found with larger corporations.  When connected to the domain, you cannot double-click open an .HLF.  When not connected, it works.

NO SOLUTION OTHER THAN USING HYDRALIST TO OPEN THE FILES
Solution:

Open HydraLIST, click [File|Open] then navigate to the file

 

DEV NOTES:  Checking and verifying these Registry locations makes NO difference whatsover.

Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hlf

 

Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hlf\OpenWithList

 

Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hlf\OpenWithProgids

 

Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hlf\UserChoice

 

Computer\HKEY_CLASSES_ROOT\.hlf

 

Computer\HKEY_CLASSES_ROOT\HydraListFile\shell\open\command
3.
Cause:

OBSOLETE - Pre Windows 7
Solution:

In Explorer pick Tools, User Options, File types. Find and pick on HLF. Pick Advance, pick edit The line should end with SLD_PROG.EXE %1 (note there are no quote marks.) Pick Ok,Apply

 
Updated: Oct. 26, 2023, 2:01 p.m. Created: March 1, 2019, midnight