Originally posted by Ptolemy:

You can just use Dropbox or any equivalent service and dump the contents of Users\%UserName\AppData\LocalLow\IronGate\Valheim somewhere onto that. (Assuming you can access that file path on the computer you're using.) I doubt this is the best solution for someone in your situation, sorry, it's just how I backup my own game files. Someone else may have a better idea.

ok thx for advice ,for now i will stop playing and waiting for best solution and giving thumbs down ,this problem should not happen in a good game like this ,i DO have this kinda problem when i play KillSquad game but the dev manage to fix it and brought all my stuff back

and again thx alot men ,i cant restart playing right now becuz im afraid the same thing is going to happen again lol