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So, i went to eh LOGITECH support website, and i DID find a Windows10 driver FOR the MX5500, I assume you have downloaded and installed this?
The 32 bit installer is called:
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Apart from my above warning, i fear you have found a BUG within Microsoft Windows 10.
There is NO CURE! YOu have tried EVERYTHING, and even had experts help you TRY TO FIX. ANd still you are stuck.
I suggest you ROLL BACK to previos windows (maybe Win8, or Win7) and ALSO report this issue to microsoft, so they can work on a fix, and release a patch.
My rule for NEW operating systems (such as WIn10) is to WAIT until atleast 1 year AFTER it was released, OR, until a SERVICE PACK has been issued. And so far, neither of these have been met. SO if you ask me.....WIndows 10 IS NOT READY FOR THE CONSUMER..
But that is my OPINION, and has served me VERY WELL for over 15 years, through MANY windows releases. I didnt move to WIndows 7, until 2 years after it released, as i was too afraid they didnt correctly develop it, and i satyed on WinXP for MANY MANY MANY years.
This is my professional, and personal opinion. DO with it what you will.
Because of the upgrades and downgrades, i fear your system files are no longer reliable.
I suggest a CLEAN install, and a reinstall of all the programs you had.
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