Used regedit, now get "class not registered"

QuantumXRhinocerus · Jun 30, 2015

Recently I bought a samsung evo 850. It was only a 120gb and i wanted to use it as a OS boot drive, and put some favorite programs in there. Long part 1 of story short, I downloaded a fresh install of windows 8.1 onto the ssd, backed up all my programs/files. Since i wanted to use my old HDD for a main directory for programs i went to the registry editor, changed the file locations to the hdd and made all user files (photos,vids,etc) a location in the hdd. Now i can't even open my videos and photos through windows media player cause of the damn "class not registered". Doesn't give me an error code, i did sfc/scan, regsvr32 quartz.dll, and non of them worked. At this point im too stressed after being happy on getting an ssd and i just need other people's help on this. I have no clue what i could have done wrong.

Paul NZ · Jun 30, 2015

Should have used the migration program to back it up from hdd to the ssd

You just cant copy programs from one hdd to another. It wont work

bignastyid · Jun 30, 2015

Did you take ownership of the old folders and files.
https://technet.microsoft.com/en-us/library/cc753659.aspx

utgotye · Jun 30, 2015

You went in to the registry armed with just enough information to be dangerous. You don't need to change anything in the registry to get your photos and vids and such to work on the new install. At worst you simply needed to install something to open or play them with. Copy an example or two of each to another computer and verify that the files are still intact. I have no reason to believe they aren't just fine since tinkering with the registry, even if you didn't know what you were doing, shouldn't harm the files themselves. Download VLC Media Player or MPCx64 and play them with one of those.

Next time just reinstall your programs like a normal person would, which is, incidentally, what you'll have to do in order to get them to work anyway. Oh and forget the word regedit, as you have seen, it's just not worth it considering the damage you can do. Frankly, you got off light. All you hopefully did was ruin your Windows Media Player install, something readily fixable and not that big of a deal since no one uses WMP anyway.

Apologies is the came off kind of preachy but I spend my days working IT and dealing with problems like this and worse.

SBMfromLA · Jun 30, 2015

QuantumXRhinocerus :

Well... you did everything incorrectly... but you know that know. My best recommendation is to just start all over instead of wasting time trying to fix all these problems.

First you need to copy all your data.. the quickest way: Create a new partition on your old drive... move your data there for now... so you could delete/format the original partition on your old hard drive to clean it out.

Second you need to just REINSTALL Windows onto your SSD... after that is done... EXPAND the partition on your old hard drive... You are done...

There are other minor things that could be done like to still access your old programs from your old hard drive... but I don't want to write all that down if you plan on fixing this another way... You need to update what you plan or want to do.

QuantumXRhinocerus · Jun 30, 2015

utgotye :

You went in to the registry armed with just enough information to be dangerous. You don't need to change anything in the registry to get your photos and vids and such to work on the new install. At worst you simply needed to install something to open or play them with. Copy an example or two of each to another computer and verify that the files are still intact. I have no reason to believe they aren't just fine since tinkering with the registry, even if you didn't know what you were doing, shouldn't harm the files themselves. Download VLC Media Player or MPCx64 and play them with one of those.

Next time just reinstall your programs like a normal person would, which is, incidentally, what you'll have to do in order to get them to work anyway. Oh and forget the word regedit, as you have seen, it's just not worth it considering the damage you can do. Frankly, you got off light. All you hopefully did was ruin your Windows Media Player install, something readily fixable and not that big of a deal since no one uses WMP anyway.

Apologies is the came off kind of preachy but I spend my days working IT and dealing with problems like this and worse.

Well i completely forgot all about system restore XD, this fixed my problem. But if I never did system restore I probably would have used your method and wait for windows 10. Thanks for the help eitherway.

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Used regedit, now get "class not registered"

QuantumXRhinocerus

Honorable

utgotye

Paul NZ

Polypheme

bignastyid

Titan

utgotye

Admirable

SBMfromLA

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QuantumXRhinocerus

Honorable

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