Unknown is not a valid Win32 application

Last update: 4 August 2017

Unknown is not a valid Win32 application

Summary

After double-clicking a content object you may receive this warning message in the eventviewer:

Event Type:     Warning
Event Source:   Fabasoft Tool Manager
Event Category: Internal 
Event ID:       0
Date:           
Time:           

Information

(Default) value for given extension (e.g. ".zip" or ".tif") is undefined. This may have happened when installing a third party application.

[HKEY_CLASSES_ROOT\.zip]
"Content Type"="application/x-zip-compressed"
"PerceivedType"="compressed"
[HKEY_CLASSES_ROOT\.tif]
"Content Type"="image/tiff"
"PerceivedType"="image"

Solution

Set (Default) value back to original value.

[HKEY_CLASSES_ROOT\.zip]
"Content Type"="application/x-zip-compressed"
"PerceivedType"="compressed"
@="CompressedFolder"
[HKEY_CLASSES_ROOT\.tif]
"Content Type"="image/tiff"
"PerceivedType"="image"
@="TIFImage.Document"

The “@” character refers to the “(Default)” registry value