Won't save with same file name

[JWA]

I am unable to save again with the same file name using Ctrl-S or Save.

If it change the file name to one that doesn't exist I can save the file. It looks like the file is being saved from the progress bar but the saving process terminates early and doesn't complete the actual save.

If I delete the 'existing' file before starting the save process, the file can be saved using the 'existing' file.

 

Have deleted and reinstalled the program but the problem remains the same.

 

Any help or suggestions would appreciated.

 

Here is most of the diagnostics output.

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Application    paint.net 4.0.10 (Final 4.10.6033.29846)
Build Date    Friday, July 8, 2016
    
Hardware accelerated rendering (GPU)    True
Animations    True
DPI    96.00 (1.00x scale)
Language    en-US
    
OS    Windows 10 (10.0.14393.0)
.NET Runtime    4.0.30319.42000
Physical Memory    8,190 MB
    
CPU    AMD Phenom(tm) II X6 1055T Processor
    Architecture    x64 (64-bit)
    Process Mode    64-bit
    Speed    ~2800 MHz
    Cores / Threads    6 / 6
    Features    DEP, SSE, SSE2, SSE3
    
 

 

[JWA]

I submitted this question.

 

Saving actually works.

 

However the file's date and time are not updated. Just can't tell for sure that it actually got updated. Very annoying since this is not the behavior of Word.