 If programs won't open on your computer, it usually means Windows file associations have become corrupted. When you try to open a program (.exe), you may get one of the following error messages:
Fortunately, there is a simple solution to this annoying problem. Follow the instructions below to fix the programs. Contents
Note: The problem can also be caused by malware. If the steps on this page don't work, follow the steps on this page. Method 1 - Use a Registry File (.reg file)
 1. Fix .exe file association (programs)
It will ask you if you want to continue. Click Yes. Move on to #2. Note: If the .reg file opens in Notepad, follow the instructions on this page. 2. Fix .lnk file association (program shortcuts / desktop icons)
It will ask you if you want to continue. Click Yes. Now, restart your computer (save or bookmark this page). If you still can't open programs, move on to method 2. Method 2 - Use FixEXE.inf
FixEXE.inf is a setup INF file that fixes .exe file association. Download FixEXE.inf to the Downloads folder or desktop.
Right-click on the file and then click Install. Now, try to open a program. If that doesn’t work, move on to method 3.  Method 3 - Use CleanAutoRun by Kaspersky Lab
CleanAutoRun is a free tool that fixes Windows file associations. This tool has a different file extension, so you should be able to open it.
If one version won't open, try the other. Once the fix is complete, restart the computer. If that doesn't work, go to method 4.  Method 4 - Create a New User Account  You can also create a new Windows user account to fix the problem. After you create a new account, transfer your personal data from the old account to the new one. Your web browser and other programs such as Microsoft Office and iTunes should work in the new account. |