は困る

be a problem; be troublesome

→ は
phrase Common #6,920
be a problem; be troublesome Used to say that something causes trouble, inconvenience, or difficulty. The noun or phrase marked by は is what causes the problem. Depending on context, it can also mean “I’d rather not” or “I can’t deal with that.”
JA: そんな無理なお願いは困る。
EN: That kind of unreasonable request would be a problem.

私が大金持ちと思ってくれては困る

Don't get the wrong idea that I'm extremely wealthy.

冗談だと思われては困る

I don't want you to think I'm joking.

それで一生ムショは困る

I don't want to spend the rest of my life in prison because of that.

— グッドフェローズ (1990)

私はジョアンナジョー僕の許可なく彼らと話しては困る

I'm Joanna. Don't talk to them without Joe's or my permission.

— ア・フュー・グッドメン (1992)

騒ぎは困る

I don't want any trouble.

— es[エス] (2001)

ワングルは困る

Wanguru would be a problem.

— きっと、うまくいく (2009)

下がっては困る

It would be a problem if it went down.

— ア・フュー・グッドメン (1992)

ウンチは困る

I can't deal with poop.

— マルホランド・ドライブ (2001)