Cannot click desktop icons in Windows7

I recently came across an issue where I Cannot click desktop icons in Windows7 computer. After some research I found this solution:

1. Open Task Manager
2. Kill explorer.exe process
3. Now go to File—>New Task –> type in explorer.exe and click OK

It will load the desktop again and you will be able to click desktop icons

You cannot import a new version of driver SCCM if one or more driver files in the package are already imported into the site

Problem: When you try to import a new version of driver which was imported earlier , SCCM gives this error:  The selected driver has already been imported at this site.

Solution: Microsoft has launched a hotfix to resolve that issue, it can be downloaded from this location: http://support.microsoft.com/kb/2213600 

After installing the hot fix you will be able to import a new version of driver which was imported earlier .

Java installation error 25099

While installing java you may come across this error “Error 25099. Unzipping core files failed”

To resolve Java installation error 25099 follow these steps:
1 . Restart your system
2 . Delete folder “java” from delete content of the following directory:  C:\Program Files\ or C:\Program Files( x86)