I installed Python 3.4 on my Windows 7 laptop several months ago as part of Anaconda (https://www.continuum.io/downloads). My installation included the Spyder IDE, and I hav
Well it says it is missing PyQt4.dll, which you can check by: searching pyqt4 in your anaconda3 directory. There are several possibilities:
That would mean python can't find since it ain't searching in this directory, I highly doubt that possiblity, since that would mean you'd have tweaked some code.
Maybe you or more likely one of your programs did deleted it per accident?
I also doubt this possibilty since it would mean the file has been moved...
However you can fix that by reinstalling spyder as mentioned by xuwei.