Sy. my primary wallet is myetherwallet.

I have some around 0.872 Ether. I do swaping in their website with bity exchanger.

then I just swap aroud 0.872. ( i still have around 0.002 eth in the wallet ). for Bitcoin and transfer to my local bitcoin exchanger.
after I done that. I open the etherscan for check my transaction. it show. I swap on 3 am in my country. so it night time. after I waiting 12 hour.

this is my trans
https://etherscan.io/tx/0x1cbe71a65d0fe72fbd2ba30c37c81fc29be427f373aa48bbe517100f00d6651b

It still not showing into my local wallet. just nothing.

I open my myetherwallet again. I shocked. by my ether amount return again to my wallet. no notification or what just return full. I check again the Ethercscan. not showing any recent transaction
So. I still confusd what happening.

And the problem begin here.

I swaping again
now I just swap 0.87 Eth for some amount BTC and transfer to my local bitcoin exchanger.
I just "Lets do this"

and after 1 hour. I open again the Etherscan. annnddddd
not showing the latest transcaction is gone. my ether in wallet just gone. I dont know what to do now. I thought the website maybe on the glitch or something.
but no it just gone. Right after This time I still dont have the bitcoin or info anything.

could someone please help me. I just lost the some amount of ether but. this is not right.
my computer is free from virus. I just build this computer 2 month ago. So

I Already sent email to Myetherwallet and my local btc exchanger. still dont any reply from them