Occasionally when I type in mIRC's editbox, strange things happen.
  • The font and font size change into something bigger when I type.
  • A white rectangular box with strange symbols appear everytime I type.

The only way I have found to temporarily fix it is to restart mIRC.

Using style 1 keys (lower cases, numbers, etc.) creates the strange characters, and using style 2 keys (upper cases, !@#$%^&*, etc.) creates style 1 characters.

I believe this is produced by pressing the shift, ctrl, or alt keys in combination with another key.

A screenshot of my problem can be found here.