In order to rename folder under Mac OS X you must select file/folder to rename, press ENTER (return) key, write new name of file/folder and again press ENTER key. In Windows ENTER key is used for executing/opening files. In Mac OS X RETURN key is used for renaming files/folder.
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There are many ways to unload or unlock a file or folder. You could use a key to unlock the folder.
Alt
Copying Files and Folders
If you have selected the folder, usually F2 is the rename key.
regscan.exe is located in the folder C:\Windows\System32. The file is not a Windows system file. regscan.exe is an unknown file in the Windows folder. The program is not visible. The process starts when Windows starts (see Registry key: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run).
.cer for file without private key, .pfx for file with private key
To delete a file from the desktop without removing it from the Documents folder, simply right-click the file icon on your desktop and select "Delete" or press the "Delete" key on your keyboard. This action will move the file to the Recycle Bin, but since the original file remains in the Documents folder, it will not be permanently deleted. You can then restore the file from the Recycle Bin if needed.
To remove a DCIM folder or any file from the Recycle Bin on a Windows computer, open the Recycle Bin, locate the DCIM folder or file you want to delete, right-click on it, and select "Delete." Alternatively, you can select the file and press the "Delete" key on your keyboard. If you want to permanently delete it without sending it to the Recycle Bin, hold down the "Shift" key while pressing "Delete." This will bypass the Recycle Bin entirely.
Go to My Computer>C>Program Files and in there find a folder related to your old anti-virus program. I.e. Norton, Symantec, etc. In this folder there should be another folder called Quarantine. Single click on the quarantine file, hold down shift on your keyboard and hit the delete key. This will permanently delete the folder, including all of the quarantined files inside.
Select folder & press " f3 " key on keyboard.......