File & System Error Solutions
Find the Fix for Any File Error
Search an error code or message and follow clear, step-by-step instructions that fix it.
File won’t open Solved
The file format or extension is invalid
Error code 0x80070057 · Windows
How to fix it
1Right-click the file → Open with and select the correct program.
2Repair system files: execute
sfc /scannow in Command Prompt.3Re-download or restore the file if it’s corrupted.
WIN0x80070002
MACError -36
NETDNS fail
