- The Properties dialogue box for text files has lost its accustomed
- From the list of extensions in
Control Panel\Programs\Default Programs\Set Associations, the .txt file extension is missing
- In the
Open withdialogue box that can be accessed by right-clicking a text file, and then selecting
Open with, and then
Choose default program..., the option to
Always use the selected program to open this kind of fileis unchecked and grayed out
- The .txt file extension is currently associated with Explorer, which, for the above reasons, I do not know how to change.
This all came about because I accidentally set the .txt file extension to open with Explorer. Clicking on a .txt file now causes Explorer to attempt to open it several times a second, until Explorer crashes, or I restart the system.
Subsequent failed attempts at solving the above mess include:
- Trying to set a new file association for the .txt extension, using
- Trying to set the
Open withdialog box option to
Always use the selected program to open this kind of fileas unchecked by default, by applying (unsuccessfully) the registry edit that apparently should accompany pasting MyOpenAs.dll into System 32
unassoc_1_4to unassociate the .txt extension from everything
filetypesman-64to delete the .txt extension altogether
- Running sfc /scannow to fix missing Windows components
- Using CCleaner to fix the registry
- Applying a backup of an earlier registry condition
I'm feeling very tired and very foolish, right now, and would hugely appreciate any genius suggestions!