Question: For the first cause you may try upgrading your Windows operating system to a newer version The second scenario can be solved by installing an anti virus program to your computer and using that program to remove viruses
Please fix the punctuation.
Fixed: [For the first cause, you may try upgrading your Windows operating system to a newer version, The second scenario can be solved by installing an anti virus program to your computer and using that program to remove viruses.]

Question: The revolutionary D03 File Analysis Tool scans analyzes and reports back every detail about your D03 file
Please fix the punctuation.
Fixed: [The revolutionary D03 File Analysis Tool™️ scans, analyzes, and reports back every detail about your D03 file.]

Question: The findings of the questionnaire survey show that most citizens in the municipalities with weightbased collection schemes believe that a weightbased fee is an advantage to them
Please fix the punctuation.
Fixed: [The findings of the questionnaire survey show that most citizens in the municipalities with weight-based collection schemes believe that a weight-based fee is an advantage to them.]

Question: Feed with fresh pellets never moist or mouldy pellets and dont give too many tidbits the rabbit will get fat
Please fix the punctuation.
Fixed:
[Feed with fresh pellets (never moist or mouldy pellets) and don't give too many tidbits (the rabbit will get fat).]