DeSmuMe : Save file problems

Greetings, world. Here is the dilemma : I am trying to save a gameplay video using Desmume's AVI recording, but when I try to import the backup memory after converting it with Shunyweb, DeSmuMe does not load it ! No$GBA doesn't seem to have any problem loading a converted save file, so I know it's not a problem with the site.
Here are some specifications to avoid confusion and suggestions of things I already tried.Original Save format : .sav (R4)Converted Save attemptsShunyweb :
.sav (RAW - Autodetection) - failure
.sav (RAW - Force 512 kbs) -failure
.sav (No$GBA) Works on corresponding emulatorUniquegeeks :
.dsv (DeSmuMe) - failureBut oddest of all is a test I made later ; I start a game from scratch, get to the first save point, save the game, and export a backup memory. I then import that memory and... poof. Save file gone.What happens exactly is this : As soon as I import a memory (I tried it with different games) the game resets, the title screen appears, and if there was any save data, it's gone now. Like if DeSmuMe detects all imports like clean data or something... except trying to save after importing results in a "could not write data. please turn off the power" type error. I checked the FAQ head to toe, but there doesn't seem to be any solution in sight. Help...

You'd probably corrupted the save files, and the files didn't load because it failed during conversion.Just use one convertor; 'UniqueGeeks Offline Save File Type Converter'. It supports both DeSmuMe and No$GBA (save as R4).

The save files are NOT corrupted, they work for No$GBA.
Also, can you explain this :

Derahex[...] oddest of all is a test I made later ; I start a game from scratch, get to the first save point, save the game, and export a backup memory. I then import that memory and... poof. Save file gone.

P.S.
Used the offline converter. The result was different then usual. instead of loading a nonexisting save file, I got "Unable to read data. Turn the power off."

If you use no$gba save file, just rename file extention as is to .dsvno need to convertKeep backups of save, and try all .