Cannot install softwares : NSIS error

[Boleslaus]

Every time i download stuff from internet i get this error .i believe i have some malware or virus.

The error msg is titled: 'NSIS ERROR'. Says that the install file is corrupt or incomplete. Goes on to say it could be the result of a damaged disk, failed download or a virus.

[deoWo]

How are u downloading these files?

With a download manager or the default one for whatever browser u use?

Some download manager programs can corrupt downloads.

[opaper]

1. Clear your browser's cache.
2. Disable any download accelerators or managers and download the installer again.
3. Rename the installer so it is a simple one-word name with no special characters (without removing the .exe suffix)
* Example: install.exe
4. Download the installer from another source approved by the software developer or publisher.
* It might be corrupted on the server, or the connection to the server is unreliable from your location.
5. Update your anti-virus software (if installed) and download the installer again.
6. Disable your anti-virus software and download the installer again.
7. Download the installer using another computer and copy it to the original computer.
8. If you have the nVidia firewall installed, uninstall the program and download the installer again.
9. Scan for, and remove malware and viruses on your system.
10. Scan the hard drive using scandisk, chkdsk, or any other hard drive repair tool.

[Aikonik]

It sounds like your Windows Installer might have become corrupted. You could try clearing your browser cache and downloading again, but I imagine that if it's happening regularly then this method won't work.

You could also try downloading and installing the latest Windows Installer from Microsoft