[Engraved-on-His-hands]

The permissions thing might be more complex. Some might not open, not because of permissions, but because they are not compatible with the new operating system. But here is something I found that might help with the simpler cases:

You might have to set the permissions for that particular file manually. To do so follow the steps given below:

1. Right click on the File.
2. Select Properties.
3. Go to the Security tab.
4. At the lower end of the window there will be an Advance tab to change permissions, click on it.
5. On the next window click on the Edit tab.
6. Permissions window will open; there you can edit the permission to Full Control, wherein you will have all the permissions for that particular file.

You may also check if you have the ownership of that particular file. To do that repeat the above steps till step 5 and Click on the Owner tab in that window and check who has the ownership of that file, if required change it.

[NRx]

I think that is working. Unfortunately it will take hours to go through all the files. But at least I can get it to work. Thanks!