Tolga, try downloading the file Notepad.exe from the following link.
https://lgtibr-my.sharepoint.com/:u:/g/personal...
After you get it, move it to the folder C:\Windows\System32
And see if you can open it by doing the following:
- Right click the Start menu and select Run
- Type in notepad and press Enter
Let me know what happens, ok?
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