QUESTION: Fix punctuation: This chair had been founded by a benefaction from Walter Rouse Ball after his death in 1925 and Littlewood was its first occupant
ANS: This chair had been founded by a benefaction from Walter Rouse Ball after his death in 1925, and Littlewood was its first occupant.
QUES: xpsservicesdll missing not found error Unavoidably PC may get infected by virus like BackdoorWin32DelfIT or controlled by malware like ERROR DOCTOR After they are removed by antivirus such as Norton Internet Security 2012 the infected file xpsservicesdll would be deleted as well so that missing problem is found

correct the punctuation.

CORRECTED: xpsservices.dll missing / not found error: Unavoidably PC may get infected by virus like Backdoor:Win32/Delf.IT or controlled by malware like ERROR DOCTOR? . After they are removed by antivirus such as Norton Internet Security 2012, the infected file xpsservices.dll would be deleted as well so that missing problem is found.
Question: Together with some progress they hold both unrest and misfortune even at times sinister atmosphere of quite squeezing kind
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Answer: Together with some progress they hold both unrest and misfortune, even at times sinister atmosphere of quite squeezing kind.
This software is specialized to retrieve trash data on Mac emptied from Trash at fingertips

Can you repeat this sentence, but add in punctuation?
This software is specialized to retrieve trash data on Mac emptied from Trash at fingertips.
input: This park is one of our personal favourites in Barcelona and is perfect for a lazy sunny Sunday and picnics
fixed: This park is one of our personal favourites in Barcelona and is perfect for a lazy sunny Sunday and picnics.
The negotiations are not expected to be finalized under the Danish Presidency

Can you repeat this sentence, but add in punctuation?
The negotiations are not expected to be finalized under the Danish Presidency.