1. Shut down the program that triggered the runtime error 6205. Press the keyboard buttons 'Ctrl,' 'Alt,' and 'Delete' simultaneously. This opens the ”Windows Task Manager.'
2. Click the 'Processes' tab on top of the “Task Manager” and click the 'Image Name' button. Browse the list and ensure that the program that triggered the runtime error is not present on the list. If you do find the program on the list, right-click it and select 'End Process' to shut down the program.

3. Click on the “Start” button on your Windows desktop and click 'Control Panel.' After this, click the 'Programs and Features' icon. Wait for all the programs installed on your computer to populate in the center panel of the window. Locate the program that triggered the runtime error in the central pane of the window and click it. Click the 'Remove Program' button to uninstall the program from your system.
4. Open the “Start” menu by clicking the “Start” button in the desktop. Click the “Search” box and type in 'Cleanmgr' (without quotes). When the program appears in the search results area, double-click it. Click the 'Files from all users' link and then click 'Continue.' In the drop menu, select the drive in which the program was installed in and click 'OK.'
5. Restart your computer system after the file cleaning is over. Reinstall the program you uninstalled earlier by inserting the program installation CD and following the installation wizard. The program will reinstall onto your system. The runtime error 6025 should be cleared.