Lack of a fastener at the bottom fin corner , knife cut section removed nailing fin, a horizontal joint in the osb where you least want it for water intrusion, over driven pneumatic staples in osb, perforated house wrap (as Framerman said) rather than a drainage house wrap, 1/4" only lap (scary) on Hardie siding, cut ends not primed- not per manuf.'s install- the whole wall may leak not just the window- with any wind-driven rain, I think more is wrong than pictured..... I'd question the whole application.
If any ads are present below my answer or words underlined/colored, I do not condone/support/use the product or services listed/linked to, they are there without my consent.
17,000 dryer fires a year, when did you last clean the inside of the dryer near motor or the exhaust ducting?
The Following User Says Thank You to Gary in WA For This Useful Post: