Couldn't find out what software your Acer runs, but mine has NTI CD Maker.
Here are the steps:

1. After starting the software, click on the 'DATA' icon
2. Choose Data CD if you want to burn a CD
3. Choose Data DVD if you want to burn a DVD
4. Now choose File / Create Disc from ISO Disc Image File
5. Browse for the ISO file you want to burn
6. Click "OK".

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Thanks,
Ash
CF Founder
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