How to repair a damaged jpg file in iphoto Library

An uninstaller needs to be application specific, otherwise it might do more harm than help.

Always use the uninstaller provided by the manufacturer that came with the application.

For applications bought from the AppStore it should suffice to trash the application.

but what about all this stuff that remains after drugging the app to trash, as plists, preferences files, etc?

That's what I use FAF for.

civil engineering wrote:

thank you,

but what about all this stuff that remains after drugging the app to trash, as plists, preferences files, etc?

they usually don't take much space but as time passes they grow up. and they are things you don't need.

I have my MP since October 2008 and always upgraded till Mac OS 10.8.5, i don't remember if i ever formated for a clean install OS.

Although, I understand that you, as the other friends here, are wright and I will try to break the philosophy i carry from my windows experience!

That philosophy makes me to find it hard to believe that i don't need any tools for MP maintenance some times....

thanks again

Most Mac users don't need to "do" much to their computers any more -- the operating system is advanced and doesn't require much attention. My daughter is in college and does NOTHING to her Macbook Air but "use" it. When she is home on vacation I check it over, apply some updates, make sure backups are up to date, that's pretty much it. Security updates happen a couple of times per year, maybe. There is little or no "maintenance" required, other than regular backups, which in fact are now largely automated with Time Machine. One additional thing that can be useful is to make a "clone" of your hard drive(s) every few weeks or every few months and archive them in case your Time Machine backups don't go back far enough, as happened with your jpg issue.

For the newer solid state drives, I especially would leave them alone, they have advanced firmware that is meant to maximize their life and avoid disk problems, so running other utilities on those SSD might undermine that optimization.

Removing an application can mostly be accomplished by putting the application in the Trash. Those other support files are usually harmless, cause no harm, and don't take up much space. If you want to remove them also (which is reasonable if you are on a small SSD), look in the Preferences folder and in Application Support folder for files that have the name of the application, or the company, or an abbreviation of either. The more complex programs that put files in many other places usually have an uninstaller you can run or download. But be careful, if you delete one program from Adobe, don't delete everything by Adobe as other Adobe programs may need those support files too. It is usually just the application itself that takes a lot of space.

If you want to "tinker," you can install a Windows virtual operating system on an external drive (say, using Parallels) and fool around with it to keep it going! I have a Parallels Windows system that I need to use at work from time to time, and it requires much more attention than the Mac OS, what with system updates, antivirus updates, security updates, and other myriad little Windows-type issues that pop up and need to be addressed, every time I start up Windows it seems.

That is because it probably is not possible - your running bad software appears to have damaged them beyond repair

If you truly have damaged JPEGS then you have a problem that probably can not be fixed - and since iPhoto generally will not import damaged images you ned to stop doing what every is being done to damage images - any changes of any sort to the contents of the iPhoto library cause major problems - often far beyond just damages images

It is best NOT to ever defragment or clean up your Mac disk - it is not needed and the software that does it very often causes major problems - this especially included MacKeeper and CleanMyMac2 - they are essentially Malwear

When you defragged and ran CleaMyMac2 you irrecoverably damaged your photos - since you do not have a good backup of them you have lost them due to your actions

sorry but that is the case

LN

Here's a short article that evaluates 5 different tools for repair of damaged jpg files:

https://www.raymond.cc/blog/repair-and-fix-corrupted-images/

(Note that none of them did a very good job except on the simplest cases.)

Also this:

http://www.jihosoft.com/free-utilities/jpeg-repair-tool.html

From what I have read, fixing corrupted jpg files is not easy and tends not to succeed, but you can certainly try. If you find something that works, let folks know because it may help someone else out with a similar issue.

An SSD should pre-Yosemite and 3rd party use something to ENABLE TRIM, and it should have 10GB of over-provisioning PLUS additional free space. And given that a good solid Samsung 850 256GB is $139, no brainer: buy one!

Then always have a system restore image and clone (both). Use CCC.

In CCC you can enable its ability to do checksum on all file copies. It would have helped.

Always have multiple backup sets and methods.

DLLoyd has some good data integrity tools that can also help.

SoftRAID 5: excellent, during idle time will check drive media for weak sectors and better IO error checking.

Free space can get fragmented and if your drive gets low enough on free space you might want to consolidate free space.

Guess what the best method is? and realize NEVER EVER defrag or fix or anything else without backups.

CLONE the drive. The old drive is now backup, CCC has insured all files pass its integrity check, free space is consolidated, all files are now single segments.

Good rule to follow: less is more. Lean mean = performs better, stable and less trouble.

Too many cooks spoil the soup. More than ONE background process checking SMART status of drive is too many.

If you must tinker with TTPro and such then create a small system maintenance drive.

Booting from another drive - not just Recovery Mode - to repair and invoke TRIM of SSD pages can be helpful. Using an SSD even with BGC but not TRIM - and especially your small older 80GB unit, is not a good idea.