The most reliable method to fix the “Minecraft An Error Occurred While Uploading Files Common” error is explained step-by-step below.
Step 1: First, you need to close the TLauncher.
Step 2: Now, copy the link below if you are using Windows.
If you are using Linux or MacOS, copy the link below.
Step 3: Go to your browser and open the link according to your system.
Step 4: Then wait for a few minutes for the download to finish. After the installation, click on it to install the TLauncher.
Step 5: Afterward, select the I accept the license agreement terms and click on Continue.
Step 6: Now, you can run the game, and there will be no error.