QUESTION: Fix punctuation: Get in control behind one of the most powerful Windows tweaking utilities ever PowerSettings has been under a lot of influence by its users and has been under devellopment for more than 1 year Finally you have the result PowerSettings
ANS: Get in control behind one of the most powerful Windows tweaking utilities ever. PowerSettings has been under a lot of influence by it's users and has been under devellopment for more than 1= year. Finally you have the result, PowerSettings!
QUES: If your PC opens the LEF file but its the wrong application youll need to change your Windows registry file association settings In other words Windows is associating LEF file extensions with the wrong software program

correct the punctuation.

CORRECTED: If your PC opens the LEF file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating LEF file extensions with the wrong software program.
Question: Other rules given by Aryabhata include that for summing the first n integers the squares of these integers and also their cubes Aryabhata gives formulae for the areas of a triangle and of a circle which are correct but the formulae for the volumes of a sphere and of a pyramid are claimed to be wrong by most historians
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Answer: Other rules given by Aryabhata include that for summing the first n integers, the squares of these integers and also their cubes. Aryabhata gives formulae for the areas of a triangle and of a circle which are correct, but the formulae for the volumes of a sphere and of a pyramid are claimed to be wrong by most historians.
The lock manager grants the locks if there are no conflicting locks held by other transactions

Can you repeat this sentence, but add in punctuation?
The lock manager grants the locks if there are no conflicting locks held by other transactions.
input: Before msisadrvsys scanning make sure your PC no virus and trojan We recommend HitMalware
fixed: Before msisadrv.sys scanning, make sure your PC no virus and trojan. We recommend HitMalware.
Learn the fundamentals of capturing and analyzing waveforms

Can you repeat this sentence, but add in punctuation?
Learn the fundamentals of capturing and analyzing waveforms.