The most common and most likely answer to this crossword clue is the 9 letter word REINSTALL
I've seen this crossword clue in The Times
R
E
I
N
S
T
A
L
L
More clues leading to the result REINSTALL
- Waste processors unlikely to be put in again
- Straps unlikely to be put in again
- Check weight — everybody to get fit again
- Two stops to station again
- Put in again, checks unlikely
- Put back in control on business counter
- Put back in control, play for time
- Check seat, fix again
- Means of controlling giant put back in place
- Put back controls, seemingly unbelievable
Buddy explains!

The straight part
We know that "put in again" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case put in again = reinstall.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REINSTALL mean?
REINSTALL noun- Reinstallation
- To install again.