recently installed the idmgcext.crx plug-in in developer mode and always showed the CRX HEADER INVALID. The solution is as follows:
1. Drag installation (recommended)
(generally updated date is relatively recent, can basically apply to this method)
Open the developer mode switch and drag the xxx. CRX file into the middle of chrome to get
hold xxxxxx. CRX drag to the chrome extension
the prompt box of installation confirmation pops up, indicating the operation is successful. Click ok to
ii. Violent installation
(this method is not recommended, you can try violent installation if method 1 drags the installation invalid)
the downloaded XXX. Contents </ code> extensions to the XXX. Zip </ code> </ p>
Open the developer mode switch and drag the xxx.zip file into the middle of chrome to
as shown below, hold xxxxxx.zip and drag to the chrome extension
after the installation is completed, it will be seen directly, open the plug-in switch can be
this method can be successful in most cases, occasionally will receive a browser security alert, ignore can