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Microsoft .NET issues

If using Windows XP - 7:


If you go into your Add/Remove Programs section of the Control Panel, there will be an entry for .NET 4 (or .NET 4.5), if you click the Change/Uninstall button and select Repair. It will then go through the process to repair the install and request a restart afterwards.

If you can try this and then see if MailWasher 7 will start.

If no better then use the .net cleanup tool (to remove .net) from here:

Reboot, then install version 4.5 of .Net from here:

Or in Windows 8 - 10:


Try running the repair tool here:

Then run windows update to ensure your PC is fully up to date.

Restart afterwards.

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