Win8 metro applications often appear suspended

Symptom:
Win8 system metro application often appears suspended, and can not be installed again after hanging, click again will still hang, as shown below:

Solution:
1. Double click Computer, find the C drive, find the Windows folder under the root directory of the C drive;

2. Find the folder of the softwaredistribution under the windows folder;

3. Find the folder for download;

4. The data in the download folder is the cache file, delete all the data inside, be careful not to delete the download folder;

5. When deleting, some programs may not be occupied. To delete, you can restart the machine and then delete it again, then reinstall it.