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How do i install for example the addons for Firefox (WOT, Personas) ?Each time, a message show me that it is impossible due to the error 203 ?

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Each time i want to unstall some addons for firefox (wot, personas..), a message wrote me that the install mode failed due to an error code 203. What does it mean and how is it possible to repair it ?

This happened

A few times a week

== i want to install addons for firefox (wot, personas and perhaps others)

Each time i want to unstall some addons for firefox (wot, personas..), a message wrote me that the install mode failed due to an error code 203. What does it mean and how is it possible to repair it ? == This happened == A few times a week == i want to install addons for firefox (wot, personas and perhaps others)

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Locate/open your profile folder, close Firefox and follow the instructions to delete the files in the article below, when you restart Firefox, new/corrected files will be created in your Profile folder to replace the corrupted ones you deleted.

See: https://support.mozilla.com/en-US/kb/Unexpected+installation+error+-203+when+installing+add-ons


Other Issues: ~~red:You have installed plug-ins with known security issues. You should update them immediately.~~

Install/Update Adobe Flash Player for Firefox (aka Shockwave Flash): your ver. 10.0 r45; current ver. 10.1 r53 (important security update 2010-06-10) ~~red:Check your version here~~: http://www.mozilla.com/en-US/plugincheck/ See: Updating Flash -use Firefox to download and SAVE to your hard drive (save to Desktop for easy access) -exit Firefox (File > Exit) -check to see that Firefox is completely closed (Ctrl+Alt+Del, choose Task Manager, click Processes tab, if "firefox.exe" is on the list, right-click "firefox.exe" and choose End process, close the Task Manager window) -double-click on the Adobe Flash installer you just downloaded to install/update Adobe Flash -when the Flash installation is complete, start Firefox, and test the Flash installation here: http://kb.adobe.com/selfservice/viewContent.do?externalId=tn_15507&sliceId=1