1. uses the super rabbit optimization system, resulting in incorrect directory of temporary files in the system.

2. Insufficient disk space

3. The digital signature of the installation package is corrupted.

Or self-check whether the network connection is normal, the method is as follows:

Enter CMD in start run to open a command prompt, and then run telnet.

masterconn.qq.com

80 orders,

If you can connect (nothing pops up on the black screen), please confirm your network environment.

Whether other functions of computer housekeeper that need networking are normal; If you can't connect (prompting that you can't link XXX, etc.),

Your own network is blocked.

Or try downloading the offline package and installing it:

/invc/xfspeed/qqpcmgr/ver Setup/portal/PC mgr _ Setup _ 86 _ 10358 _ 2 15 . exe

Brother Jie, the housekeeper, at your service.