If you’re QuickBooks not opening, or taking goodbye to open, then you only got to pack up your files on a daily basis so as to get rid of expired, stale entries & reduce database file fragments after converting to portable file, then back to the corporate file. QuickBooks may attempt to open your previous company. You only got to press & hold the ctrl key, then double click QuickBooks desktop icon. Just in case you’re unable to understand the basis cause, otherwise you are wondering thanks to technical issue, you'll take assistance from experts via call .