How to fix “open with…” problem after virus removal

andy | January 13, 2013

Often users whose systems were once infected by malware and then successfully cleaned by some security software have a serious problem of running (launching) any applications. They simply cannot start any program, which is an exe-file. All their attempts to do it finish with appearance of a strange window that says about impossibility to open/launch this file. The message then recommends them to run this file through some other options or ways, which eventually aren’t good enough to open the desired application. This is surely a problem for many active computer users, since they simply cannot run their necessary software of any kind. The reason for “open with…” problem is the previous presence of virus on your system. Even though it was successfully removed by your preferred security software, the consequences of its presence on your machine haven’t been completely eliminated. This problem requires immediate fix, and we’ve elaborated simple and clear instructions to help our users fix this problem by following the below-mentioned manual steps:

Solution for Windows XP:

  1. Run Windows Explorer (press WIN+E hotkey combination for this purpose).
  2. Follow to the C:Windows directory.
  3. Find in C:Windows directory file regedit.exe (or just regedit, it is the same).
  4. Right click on this file and choose “Run as…”.
  5. In the window that appeared uncheck the item “Protect my computer and data from unauthorized program activity”, then press OK.
  6. In the window that appeared (this is the Registry editor) follow to the key HKEY_CURRENT_USERSoftwareClasses.exe
  7. You have to delete the key “.exe”(without quotes). Be careful though! To do it, right-click on the “.exe” folder, choose “delete”, then press OK.
  8. Press F5 key.
  9. Close the Registry editor.

Solution for Windows Vista/7:

  1. Run Windows Explorer (press WIN+E hotkey combination for this purpose).
  2. Follow to the C:Windows directory.
  3. Find in C:Windows directory file regedit.exe (or just regedit, it is the same).
  4. Right click on this file and choose “Run as Administrator”.
  5. In the window that appeared (this is the Registry editor) follow to the key HKEY_CURRENT_USERSoftwareClasses.exe
  6. You have to delete the key “.exe”(without quotes). Be careful though! To do it, right-click on the “.exe” folder, choose “delete”, then press OK.
  7. Press F5 key.
  8. Close the Registry editor.

Now your exe-files must be run as usual after you perform the steps listed above. Restart your PC now. Finally, to make sure your system is clean of malware, please scan your system periodically with GridinSoft Trojan Killer, the powerful anti-malware tool.

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