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Unused file extensions ( .mp3 .vmw .flv .... )

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When I run ASC4 and AND deep scan,It always delete important file extensions !


such as .mp3 .flv .......blablabla


and then I am spending much times to play my mp3 songs or video files.



i think ASC4 is should be fixed for this error


I am runnin windows 7 64 bit and I only use ASC4 for system care



here is a capture


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In 'Settings' there is a 'file-extensions' option box that can be Unchecked.

If that one does not stop it, try disabling other optional items.

Of course you are not required to even run the Deep-scan option, if it is causing problems.

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Some users may Want to change those items, in the Registry, to reduce it's size as much as possible. Which is what the Deep-scan option does.

Personally I have never found a need for the Deep-scan, but if someone had a requirement to completely clean the registry, then that will do it.

I never activate anything in software, that makes changes to my computer, until I'm sure I know exactly what changes it's doing.

Is that what you are asking about?

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Thank you for ur response ,this one will be my last quesition :)


It says ' unused extensions ' and then it finds the extensions ' .mp3 .wmv .flv '


But those extensions are often used by me,Those are not unused extensions in my computer. I use those extensions. everyday, everytime .


I hope I can explain myself.

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Open With


Hi :smile:

I have come across a few instances where the Windows Registry will N/A an item for no apparent reason, sometimes I have to go into the software options and 'reset' them (EG: Un-tick > Apply > Tick > Apply)

I have never worked out why, maybe it's just a Windows thing :roll:


I had a similar situation to yours a long ago using a different Registry cleaner and I was able to 'fix' it by manually resetting the "Open With" feature in the Context Menu.

At least I think that's how I fixed it, as I say it was a long time ago and my memory is fading :wink:


Anyway, if you want to give it a try these instructions are for Windows XP but I think Win7 should be much the same:

• Right click on an MP3 file (or any file that was listed)

• Hover the cursor over Open with in the Context Menu

• Select Choose Program

• Select the same program you use now (Browse if necessary)

• Tick Always use the selected program to open this kind of file


If you run another Registry scan and the items are still N/A don't delete them, the selection you just made might not become 'permanent' until after you have restarted your computer.


Also, please remember what it says at the bottom of the Details: Deep Registry Fix screen

Tip: 1) DO NOT excessively clean your Registry


All the best, woz of oz

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There is Nothing called "Quick Scan", but I think you are referring to 'Quick Care' and in that Group of utilities there is a 'Registry Fix' utility.

Did you go into the 'Settings' page of Registry-fix by clicking on the word (Settings)?

Disable the selections not needed by clicking on check boxes.


Disabling them in 'Quick Care' Registry-fix settings Also disables them in the 'Deep Care' Registry-fix.


'Deep-Scan' is another option in the 'Deep Care' settings, which I don't recommend.


I had to reread all that 3 times to make sure I didn't get them Wrong! :lol:

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