Klicka inte för snabbt på knappen, annars råkar du öppna fel bild.

Klicka is the imperative form, used for commands and instructions.

• Klicka! = Click!
• Klicka inte! = Don’t click!

In Swedish, just like in English, the subject is usually omitted in direct commands, so you do not say du klicka here.

In a negative command, Swedish normally puts inte after the imperative verb:

• Klicka inte = Don’t click
• Gå inte dit = Don’t go there
• Vänta inte = Don’t wait

So Klicka inte för snabbt is the normal word order.

För snabbt means too quickly or too fast, not just quickly.

• snabbt = quickly / fast
• för snabbt = too quickly / excessively fast

So the sentence is warning that the clicking speed is excessive, not simply describing fast clicking.

Because snabbt is being used as an adverb, not an adjective.

• snabb = fast, quick
• snabbt = quickly, fast

Here it describes how you click, so Swedish uses the adverb form:

• Han är snabb = He is fast
• Han springer snabbt = He runs quickly

So klicka för snabbt = click too quickly.

Because Swedish uses the expression klicka på for click on something.

• klicka på knappen = click on the button
• klicka på länken = click on the link

This is very common in computer/interface language. English and Swedish match closely here.

Also, knappen is the definite form:

• en knapp = a button
• knappen = the button

So på knappen = on the button.

Annars means otherwise or or else.

The interesting part is the word order. Swedish main clauses follow the V2 rule, which means the finite verb usually comes in the second position.

So when annars comes first, the verb must come next:

• Annars råkar du öppna fel bild.

Not:

• Annars du råkar öppna fel bild. ❌

This is a very common Swedish pattern:

• Nu går jag.
• Sedan kom hon.
• Annars missar vi tåget.

The first word changes, but the finite verb still stays in second position.

Here råkar means something like happen to or accidentally.

The pattern råka + infinitive is very common in Swedish and often suggests that something happens unintentionally.

• Jag råkade glömma nycklarna. = I accidentally forgot the keys.
• Hon råkade säga det. = She happened to say it / She said it by accident.

So:

• annars råkar du öppna fel bild

means something like:

• otherwise you may accidentally open the wrong image
• otherwise you might end up opening the wrong image by mistake

It adds the idea that it is not intentional.

Because after råkar, Swedish uses the infinitive form of the next verb:

• råkar öppna
• råkar glömma
• råkar säga

So:

• du råkar öppna = you happen to open / you accidentally open

Here:

• råkar is the finite verb
• öppna is the infinitive

This is similar to other Swedish verb combinations:

• kan öppna = can open
• vill öppna = want to open
• brukar öppna = usually open

Because fel often behaves a bit differently from ordinary adjectives in Swedish.

You normally say:

• fel bild = wrong image
• fel person = wrong person
• fel väg = wrong way

and not:

• en fel bild ❌

In this use, fel works almost like a determiner meaning wrong rather than a regular descriptive adjective.

So öppna fel bild means open the wrong image or open the wrong picture.

It can mean several related things depending on context:

• picture
• image
• sometimes photo

In a computer or phone context, bild often means image or picture. In everyday speech it can also mean a photo.

So in this sentence, fel bild probably means the wrong image/picture on a screen.

Yes, you could, but the meaning changes a little.

• Annars öppnar du fel bild = Otherwise you open / will open the wrong image
• Annars råkar du öppna fel bild = Otherwise you may accidentally open the wrong image

With råkar, the sentence sounds more natural if you want to stress that it happens by mistake.

So råkar adds the accidental nuance.

It is very natural everyday Swedish, especially in instructions or warnings.

It sounds like something you might hear:

• when using an app
• when giving someone a quick instruction
• when explaining how to avoid a mistake

The tone is neutral and practical, not especially formal or especially casual.