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How to close handles opened by other processes?
(Step 3: Closing remote handles) To close handles opened by other processes, you simply call DuplicateHandle with DUPLICATE_CLOSE_SOURCE (1) specified in the options parameter (it’s documented on the MSDN page for DuplicateHandle, so go read it). You can specify NULL for the target process handle and target handle parameters. For example:
How to close a system handle in C + +?
You can specify NULL for the target process handle and target handle parameters. For example: Although in my case, judging from the code, NtDuplicateObject should do the same trick if I pass in DUPLICATE_CLOSE_SOURCE.
What do I need to know about handle?
Handle is a utility that displays information about open handles for any process in the system. You can use it to see the programs that have a file open, or to see the object types and names of all the handles of a program.
What are the different types of handles in Windows?
Dump information about all types of handles, not just those that refer to files. Other types include ports, Registry keys, synchronization primitives, threads, and processes. Closes the specified handle (interpreted as a hexadecimal number).
How can I unlock a locked file handle?
Do not close the command prompt, as you will need it again. Open the output.txt file with your favourite text editor and search for a row containing your locked file name. Once you find it, look for the HEX number to the left and write it down: this is the ID of the handle you need to close.
Where to find process ID in handle.exe?
Again, look for the small HEX number to the left and write it down: this is the ID of the process you’ll need to use in the following step. As a side note: SYSTEM process ID is usually 4, although it could vary in the future. handle.exe -c -p , replacing the placeholders with the values you found in the previous step.