YOU SAID:

You see, about 10 months ago DD was experiencing problems.

INTO JAPANESE

ご存知のとおり、約 10 か月前、DD で問題が発生していました。

BACK INTO ENGLISH

As you know, about 10 months ago I was having problems with DD.

INTO JAPANESE

ご存知のとおり、約 10 か月前、私は DD で問題を抱えていました。

BACK INTO ENGLISH

As you know, about 10 months ago I had a problem with DD.

INTO JAPANESE

ご存知のとおり、約 10 か月前、私は DD で問題を抱えていました。

BACK INTO ENGLISH

As you know, about 10 months ago I had a problem with DD.